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Actors Who Fell In Love With An On-Screen Family Member In Real Life

It's not uncommon for actors who play couples on-screen to end up getting together in real life. After starring as Peter Parker and Gwen Stacy in "The Amazing Spider-Man," Andrew Garfield and Emma Stone dated for three years, working on the sequel during that time, too. Although they eventually split, there are some Hollywood success stories like Judd Apatow and Leslie Mann, who met on the set of "The Cable Guy" and have worked together multiple times since tying the knot in 1997.

Most fans don't bat an eye when an on-screen couple gets together in real life, but they think it's downright weird for actors playing family members to start dating. However, many of them do — they're only acting after all. In many of these cases, the stars say they can easily distance themselves from the characters that they play, explaining there's no weirdness carried over.

These actors portray all kinds of familial relationships on screen, from siblings to niece and uncle, or even father and daughter, but found themselves together in romantic relationships off-screen. If you find yourself wondering how this came about, keep reading. Here are actors who fell in love with an on-screen family member in real life.

Lauren Graham and Peter Krause

After seven years on "Gilmore Girls," Lauren Graham took a small break from TV before taking on the role of another single mom in the comedy-drama, "Parenthood." Sarah Braverman (Graham) is the mom to Mae Whitman's Amber and Miles Heizer's Drew. In the series, Graham also shares the screen with "9-1-1" star Peter Krause, who plays her on-screen brother, Adam. Although the two play siblings in the series, it didn't stop them from falling in love in real life.

Graham has her "Gilmore Girls" TV mom, Kelly Bishop, to thank for encouraging her to date Krause. The pair obviously had a natural chemistry, but Graham told People that they were both hesitant to act on it because of past unsuccessful relationships they'd had with co-stars. But, in 2010, having worked together for two years on "Parenthood," they decided to take the plunge.

Ultimately, Graham felt that working in the same industry actually ended up being of benefit. "It's hard to explain to people when you have a fancy job like being an actor what is challenging about it. So we just kind of have that shorthand, a shared language, which is helpful," she said. But, unfortunately, their differences caught up with them, and they separated after over a decade together, per People. During their relationship, Graham took on an important step-motherly role in Krause's son Roman's life — which she plans to continue even after their 2021 break-up.

Harley Bonner and Ariel Kaplan

Harley Bonner and Ariel Kaplan are probably two of the lesser-known names on this list unless you're a fan of Australian soaps. The pair starred as the Willis twins, Josh and Imogen. on the Aussie soap, "Neighbours," from 2013 to 2016. They got together almost immediately after joining the show and then departed within a few episodes of each other to pursue new acting opportunities in the U.S.

Speaking of the transition away from "Neighbours" in a behind-the-scenes Q&A, Bonner said, "I think it's gonna be strange not to work together because we only met here, we didn't know each other outside of working together." Kaplan and Bonner said that working together and dating was a challenge at times and they had to maintain strict boundaries between their characters and themselves as a couple. So, when they were on the set together, they were simply Josh and Imogen.

Unfortunately, Kaplan and Bonner seemed unable to navigate their new dynamic, breaking up not long after they moved to Los Angeles. They didn't publicly confirm their split, but with both the actors celebrating six-year anniversaries with their new significant others in February 2023, they obviously called it quits by early 2017, less than a year after moving stateside. Kaplan hasn't acted since her 2019 return to "Neighbours" and is working as a personal trainer, while Bonner returned to Australia to star in "Home and Away" from 2021 to 2022.

Anna Kendrick and Bill Hader

Anna Kendrick and Bill Hader play the adult children of Santa Claus who save Christmas in the 2019 Disney+ holiday movie, "Noelle." This stint as movie siblings led to a romantic relationship off the screen, as a source told Us Weekly: "Bill and Anna clicked right away. They dig each other's sense of humor." However, the source added that nothing happened between the couple until they were both single at the same time, since Hader was still married at the time to Maggie Carey, the mother of his three daughters, and before dating Kendrick, he had a relationship with Rachel Bilson, his co-star in "The To Do List."

In January 2022, sources revealed that Kendrick and Hader were dating and had been keeping their relationship under wraps for under a year. According to Cosmopolitan's math, Kendrick and Hader got together sometime between July 2020 and December 2020. With speculation about the status of their relationship rife, a source told ET that it was going well: "Bill and Anna are in love and very happy in their relationship, and enjoying their time together."

But Hader didn't respond to the comments, choosing to keep their relationship private for the sake of his daughters. "They just want me to be their dad," he told The Hollywood Reporter later that month, while Kendrick is also notoriously private about her relationships. Unfortunately, things didn't last for these on-screen sibs, with ET reporting that the two broke up in June 2022.

David Tennant and Georgia Moffett

David Tennant has played some impressive roles throughout his career, from Barty Crouch Jr. in "Harry Potter and the Goblet of Fire," to Kilgrave in "Jessica Jones," and Crowley in "Good Omens." But, of course, his most iconic role will always be playing the tenth Doctor in the BBC's "Doctor Who."

And it's the role that keeps on giving, introducing him to his now wife, Georgia Moffett, who played Tennant's genetically engineered daughter in the show. The pair started dating in 2008 and eventually married on 30 December 2011.  "Because Doctor Who had run through my life like a stick of rock, to end up marrying the daughter of one of the doctors, it all felt a bit stupid — there were a lot of things against it," Tennant admitted (via The Independent).

However, Moffett, who is the real-life daughter of the fifth Doctor, played by Peter Davison, didn't give up on their connection, and, ultimately, it all worked out. "You reach a point of your life when you're looking for someone and it's sort of chance which version of that perfect partner ambles along," Tennant added. As of 2023, the actors are still happily married and share five kids together, including "The House of the Dragon" actor, Ty Tennant.

Barry Williams and Maureen McCormick

Barry Williams and Maureen McCormick are better known by the names Marcia and Greg, siblings from "The Brady Bunch," which they starred in from 1969 to 1974. Tales of their off-screen relationship are infamous, and the pair have both been open about their time together. In fact, McCormick and Williams had their first kiss together while shooting the first episode of Season 4 in Hawaii, the actors revealed during an appearance on "Watch What Happens Live!."

"There was so much electricity between us that I felt the hair on my arms stand up every time we got close to each other ... I thought about Barry even when I had other scenes with other guys. I used to ask myself how I could ever look in eyes other than his liquid blues and feel such love," McCormick revealed in her book, "Here's the Story: Surviving Marcia Brady and Finding My True Voice," (via Showbiz Cheatsheet).

However, their intense attraction did make it difficult when filming a scene later in Season 4 when the teen actors had to sit on the bed together. "We couldn't keep our hands off each other," McCormick admitted. But, despite their strong feelings, the on-off relationship between these on-screen siblings didn't work out. It eventually fizzled out, with McCormick saying that timing got in their way. However, the former couple are still close friends decades after their split.

Jennifer Carpenter and Michael C. Hall

In 2006, Jennifer Carpenter and Michael C. Hall met on the set of "Dexter." Hall played the titular Dexter Morgan, while Carpenter played his sister, Debra. At some point between their first meeting and 2008, the pair got together. The romance only intensified and culminated with Carpenter and Hall getting married later that year. They eloped on New Year's Eve, marrying in a private ceremony in Big Sur.

"We had a great base for our relationship. We see each other on a day-to-day basis and you know, I know him and he knows me," Carpenter gushed to On Demand Entertainment. And the fact that they played siblings didn't get in the way or make things weird. "At the end of a 12 or 13 hour day it's pretty easy to drop your character and go home and wanna be a normal person and, you know, veg on the couch," she added.

Things took a turn in 2009 when Hall was diagnosed with Hodgkin's Lymphoma, a form of cancer, but Carpenter supported him until he reached remission. The pair seemed stronger than ever, but sadly, it didn't last. They divorced in 2011, but continued to play siblings on the show until 2013, as well as the limited series sequel, "Dexter: New Blood." "Just because the marriage ended doesn't mean the love isn't still there," Carpenter told Today, adding that the pair will always have a close friendship.

Milo Ventimiglia and Hayden Panettiere

Milo Ventimiglia starred in "Heroes" from 2006 to 2010 as Peter Petrelli, who turns out to be the uncle of Hayden Panettiere's Claire Bennet. Their familial status in the series didn't stop their off-screen connection, though, and the pair dated from 2007 to 2009, just a year after Ventimiglia had separated from Alexis Bledel. Panettiere had also not long ended her two-year relationship with "Laguna Beach" star, Stephen Colletti.

A family friend confirmed their relationship in 2007, telling People, "Hayden's mom adores Milo. She thinks he's so cute. She tells her friends that he's her boyfriend. She's very proud." However, to some fans, the age gap in their relationship was controversial. Panettiere was just 17 when they met, and 18 when they began dating while Ventimiglia was 29. At the time, Ventimiglia didn't want to fan the media flames of their relationship, denying anything romantic and claiming they were just good friends.

However, Ventimiglia and Panettiere ended up staying together for almost two years. Although they did not publicly comment on their split, a source told People, "They lead different lifestyles. He's 31, she's 19. She still has growing up to do and he's very low-key." According to the outlet, the pair remained cordial, and they continued to work on "Heroes" together.

Emily VanCamp and Chris Pratt

Emily VanCamp and Chris Pratt are both known for starring in the MCU, with VanCamp playing Peggy Carter's (Hayley Atwell) niece, Sharon Carter, and Pratt traversing the galaxy as Star Lord. But over a decade before their superhero adventures, the actors worked together on "Everwood" – which ran from 2002 to 2006 – playing siblings Amy and Bright Abbott, where they fell in love on set.

In 2006, Pratt admitted that he felt a little weirded out starting a romantic relationship with his on-screen sister – as did fans. "Yeah, we've pretty much gotten used to the response of, 'Eww, that's weird.' The people who know us are happy, and probably expected it to happen eventually," he said. "But yeah, every once in a while we get that one person that's like, 'That's really creepy. You just kissed your sister.'"

However, VanCamp and Pratt ultimately ignored the haters and let their love blossom, dating from 2004 to 2007, before going their separate ways. As of 2023, VanCamp is happily married to her "Revenge" co-star, Josh Bowman, with whom she shares a daughter, while Pratt also has three kids, a son with his ex, Anna Faris, and two daughters with his wife, Katherine Schwarzenegger.

Emily VanCamp and Dave Annable

Before she married Josh Bowman, VanCamp dated another of her on-screen siblings: her "Brothers and Sisters" co-star, Dave Annable. Before he met his now-wife, Odette Annable, during the show's fifth season, the pair dated for over a year, first sparking romance rumors in 2007.

When the show kicks off, Rebecca (VanCamp) is shown to be Justin's (Annable) half-sister, but this storyline was later changed by the series creator, Greg Berlanti, who said the connection between VanCamp and Annable was undeniable: "I looked like an idiot ... Here were two young people who didn't grow up with each other, didn't know each other, but they had this electricity. There was nothing I could do," he told Entertainment Weekly.

In the second season of "Brothers & Sisters," Rebecca discovers she's not a member of the Walker clan after all, leaving her and Justin free to date. The shocking twist was a welcome storyline for the real-life couple. "I'm all for breaking boundaries, but we didn't need to get into incest. I draw the line at that," VanCamp said. However, it didn't last and VanCamp and Annable called it quits in 2008, but continued working together until she departed the series in 2010.

Katherine Heigl and Jason Behr

Katherine Heigl goes by many names. To many of her fans, she's the queen of '00s romantic comedies, while to others she will always be Izzie Stevens from "Grey's Anatomy." Before all of that, though, Heigl was Isabel Evans in the sci-fi drama, Roswell, from 1999 to 2002, alongside Shiri Appleby, Brendan Fehr, and Jason Behr. The latter played her on-screen adopted brother, Max.

Isabel and Max were close, but not as close as Heigl and Behr, who dated off-screen for most of the show's run. Although they largely kept their relationship out of the public eye during this time, there was enough attention on the actors to spark romance rumors before they split in 2002, per E!. Behr soon moved on from their relationship after meeting fellow actor, KaDee Strickland, on the set of "The Grudge" in 2004. The pair tied the knot in 2006 and welcomed a son in 2020. Meanwhile, Heigl also got engaged in 2006 and married musician Josh Kelley the following year. The couple shares three children.

Matthew Broderick and Jennifer Grey

Before she became a household name for starring opposite Patrick Swayze in "Dirty Dancing," Jennifer Grey played Jeannie Bueller in the beloved '80s teen comedy, "Ferris Bueller's Day Off," alongside Matthew Broderick. As Ferris and Jeannie, Broderick and Grey portray a tumultuous sibling relationship in the John Hughes flick, but their relationship off-screen was anything but acrimonious. "I was as surprised as anyone when our relationship morphed from on-screen sibling rivalry to off-screen illicit romance," Grey admitted in her memoir, "Out of the Corner" (via New York Post).

The couple did everything they could to keep their romance under wraps, stealing away moments together on set. They were so enamored with each other that they became engaged before filming had even ended. Grey revealed that her career-defining role in "Dirty Dancing" took its toll on their relationship, though, admitting she felt unsupported by Broderick. At this point, the couple was still hiding their relationship, but the truth came tumbling out when they were involved in a serious car crash in Northern Ireland in 1987.

This signaled the beginning of the end for the couple, who called it quits the following year without tying the knot. Broderick eventually went on to marry "Sex and the City" star, Sarah Jessica Parker, while, Grey rebounded with Johnny Depp, even getting engaged to the "Pirates of the Caribbean" actor, before going on to share 19 years of marriage with Marvel star, Clark Gregg.

Evan Rachel Wood and Shane West

Last but not least in this long list of on-screen family members who fell in love in real life are Evan Rachel Wood and Shane West. The former couple dated in 2009, having met while playing siblings years earlier on "Once and Again." The family drama aired from 1999 to 2002, with Wood playing Jessie Sammier, the younger sister of West's Eli Sammier.

Though they were a very private couple, Wood all but confirmed their relationship after they were spotted out together in Los Angeles, celebrating West's 31st birthday. "I think you can put two and two together. I won't confirm or deny it but I don't think I have to," Wood told Hollyscoop in June 2009 (via People), who was 21 years old at the time. Joking to reporters, she added: "I have a celebrity crush on Shane West, of course. It was a great party." It may have been love between Wood and West, but their romance didn't last long. 

Maggie Grace and Ian Somerhalder

Before he was embroiled in a tangled love triangle on "The Vampire Diaries," Ian Somerhalder played Boone Carlyle in the early seasons of "Lost" alongside Maggie Grace, who played his step-sister Shannon Rutherford. Their relationship was equally complicated because although they played family members in the show, Boone and Shannon weren't actually related — and in a flashback scene, it was revealed they had a brief fling before the plane crash.

Their time on the show together was obviously enough to spark the chemistry between the pair in real life though, as Somerhalder and Grace ended up dating. The timeline of their romance is a little fuzzy, but they got together while filming and later confirmed it in interviews. "Ian's great, I adore him, although I'm only 22 — far too young to even think about having a serious relationship," Grace said at the time (via Glamour). It seems their relationship became more serious as time went on and they adopted a cat called Roo together after finding him roaming around on set.

However, their romance didn't last. After they split, Somerhalder dated his "TVD" love-interest Nina Dobrev, before marrying "Twilight" star Nikki Reed in 2015. The couple share two children. Meanwhile, Grace moved on with Blake Mycoskie and then Matthew Cooke, before getting together with her now-husband Brent Bushnell in 2016. Somerhalder and Grace have seen each other since their breakup, though, notably on the red carpet for the 10th anniversary of "Lost" in 2014. The following year, Grace confirmed that they split amicably and have remained great friends.

Blake Lively and Penn Badgley

Before Blake Lively and Ryan Reynolds became Hollywood's golden couple and Penn Badgley tied the knot with Domino Kirke, Lively and Badgley were getting hot and heavy on the set of "Gossip Girl." They started dating in 2007 while filming the first season of the beloved teen drama, before calling it quits in 2010. On-screen, Lively and Badgley's characters Serena and Dan had a complicated relationship because not only did they have a serious on-again, off-again romance that eventually resulted in marriage, but they also became step-siblings for quite a while and shockingly found out that they even share a sibling.

Working on the series as a couple seemed to be pretty smooth sailing for the pair, and they didn't let it get too awkward on the set when they split and had to continue working together — however, Badgley did admit that it wasn't brilliant having to kiss each other all the time. When the series ended in 2012, Lively and Badgley went their separate ways, and the "You" star admitted that the former couple don't really keep in touch but aren't on bad terms. "There's an amicable silence," he told HuffPost.

Badgley continues to be grateful for their relationship, which he feels was important at the time. He told Elle, "We were very much caught up in the show, which itself was a six-year endurance test. Our relationship was a part of that and helped us through it. I mean, like anything valuable, it was good and it was bad and it was a learning experience."

Eleanor Tomlinson and Harry Richardson

After shooting to fame by starring in the teen comedy "Angus, Thongs and Perfect Snogging," Eleanor Tomlinson went on to play Demelza Poldark in the British historical drama "Poldark." She shared the screen with "The Hobbit" star Aidan Turner, who played the titular Capt. Ross Poldark. While Tomlinson starred in all five seasons of the show, her brothers Drake and Sam Carne aren't properly introduced until Season 3. Harry Richardson's Drake enjoys a close bond with his older sister in the show — but Richardson and Tomlinson had a completely different relationship in real life.

The Aussie and British stars started dating in 2017 around the time they filmed the third season of "Poldark," going public with their relationship in the summer of that year with a cute day out in London. Tomlinson and Richardson kept their relationship pretty private, and The Sun reported that they split after one year of dating. They continued working together until 2019 before going their separate ways. In 2023, Tomlinson celebrated her first wedding anniversary with former rugby player Will Owen. "One year married! Happy 1st Anniversary to you, my hunk," she wrote in a sweet Instagram tribute alongside a picture from their wedding day.

Diana Hyland and John Travolta

Before movies like "Saturday Night Fever" and "Grease" made John Travolta a household name, he starred in the ABC movie "The Boy in the Plastic Bubble." He played Tod Lubitch alongside Diana Hyland, who portrayed his mom, Mickey Lubitch. Despite Hyland being 18 years older than Travolta, the pair shared an instant connection and started dating about a month after working together.

Travolta and Hyland fell head-over-heels for each other and dated for just over a year. Then, tragedy struck, and Hyland died from breast cancer in 1977 at the age of 41. Hyland had been diagnosed with the disease years earlier and underwent a mastectomy. Her death came as a shock, as she had only received a terminal prognosis two weeks earlier and she passed away in Travolta's arms.

Hyland's death was a devastating loss for the actor, who had been planning for their future together. "I picked out a house, and Diana and I were planning on moving in right after this movie," Travolta said. "If she was alive, it is very possible I would have married her." He continued, "I have never been more in love with anyone in my life. ... I thought I was in love before, but I wasn't. From the moment I met her I was attracted." The "Grease" star eventually moved on with Kelly Preston and they welcomed three children together. However, Preston sadly died from breast cancer in 2020.

Lily Collins and Jamie Campbell Bower

Like Boone and Shannon in "Lost" or Serena and Dan in "Gossip Girl," the relationship between Lily Collins and Jamie Campbell Bower's characters Clary and Jace in "The Mortal Instruments: City of Bones" is a complicated one. When they meet at the beginning of the film, they're strangers to each other. It is soon revealed that they're possibly long-lost siblings, but not before the pair have begun to develop romantic feelings for each other and share a kiss. They then try to act as siblings before they uncover that they're not related after all.

This on-off romantic dynamic between their characters was obviously enough to spark real chemistry between Collins and Bower, who started dating in 2012 while filming the movie, which was released the following year. They were on and off for the next three years until they split for good in 2015. Prior to their breakup, the co-stars seemed happier than ever. Sharing a sweet snap of Bower kissing her cheek on Instagram, Collins confirmed their bliss. Alongside it, she wrote: "Happy is what happy does. 50 shades of blush." In mid-2015, shortly before calling it quits, the pair got a puppy together.

However, their relationship may not have been as sweet as it looked. In 2023, Collins, who is now married to film director Charlie McDowell, revealed that she was in an emotionally abusive relationship a decade ago, around the same time she dated Bower. However, she did not name the ex in question.

If you or someone you know is dealing with domestic abuse, you can call the National Domestic Violence Hotline at 1−800−799−7233. You can also find more information, resources, and support at their website.

Lili Reinhart and Cole Sprouse

Like "Gossip Girl" leads Dan and Serena, Cole Sprouse and Lili Reinhart's "Riverdale" characters, Jughead Jones and Betty Cooper, are another case of step-siblings who dated. Their relationship began early in the show and preceded their parents Alice Cooper (Mädchen Amick) and FP Jones (Skeet Ulrich) getting together, but things only got more complicated when they learned they share a sibling. Additionally, when the Joneses move into the Cooper House, Jughead simply starts rooming with his girlfriend-slash-step-sister Betty.

To add more complication to the mix, Sprouse and Reinhart became a couple in real life, too. They got together in 2017 and appeared very much in love before splitting in 2020. Reflecting on their relationship on the "Call Her Daddy" podcast, Sprouse said there were definitely positives and negatives. "I think we did the best we could," he said, saying that it helped to weather the show's success (and criticisms) with someone who's also experiencing it. "I'm very grateful in very many ways, I was able to go through it with someone who is going through the exact same set of circumstances as me."

He added that working together eventually put a strain on them and prolonged their relationship. "If I had loved myself a little more, I probably would have left a little earlier, but I just felt like I had to take care of a lot of people around me, which was not good for me," he said. Sprouse added that eventually, they were able to find a way forward and built a strong friendship during the rest of their time on "Riverdale," which ended in 2023.

Joely Richardson and John Hensley

Joely Richardson and John Hensley played mother and son Julia and Matt McNamara in FX's "Nip/Tuck." They starred in the series alongside Dylan Walsh and Julian McMahon and appeared in 100 episodes apiece. While Julia's relationships on the show included her marriage to her ex Sean (Walsh) and a romance with McMahon's character, Christian, her on-screen son Matt repeatedly gets involved with women who are older than him.

This mirrored Hensley's real-life relationship with his on-screen mom Richardson, although they only had a 12-year age gap in real life. The pair started dating a year into the show's six-season run in 2004. They were together for about a year before calling it quits but continued working together for several years afterward.

Hensley and Richardson's relationship seemed to be pretty serious though, and the "How to Get Away with Murder" alum gushed about Richardson at the time. "Joely is pretty damn incredible. She's in a different league altogether. And every time I step on the set with her, I feel I learn something," he said in an interview (via Contactmusic.com). However, the pair have said very little else about their relationship since and prefer to keep their private lives under wraps.

Charlie Schlatter and Jennifer Aniston

History repeated itself when Jennifer Aniston and Charlie Schlatter fell in love on the set of "Ferris Bueller," the 1990s TV spin-off based on the film of (almost) the same name. The pair played siblings Jeannie and Ferris Bueller respectively, the same characters Jennifer Grey and Matthew Broderick brought to life in John Hughes' movie a few years earlier.

Although Aniston was yet to reach the level of fame starring in "Friends" would ultimately give her, she certainly did not go unnoticed on set. In 2014, "Ferris Bueller" writer's assistant Jim Nelson revealed that she and her on-screen brother were involved in an impassioned relationship while filming. Writing for GQ, he revealed, "Everyone on set thought she was hot, including Schlatter, with whom she had a brief, torrid romance — while playing, it must be said, his older sister." However, neither Aniston nor Schlatter have publicly commented on the relationship.

At some point, it came to an end, as Aniston would go on to date, marry, and divorce Brad Pitt in the early 2000s and repeat the same pattern with Justin Theroux a decade later. Meanwhile, Schlatter found love with Colleen Gunderson, whom he married in 1994.

Susan Dey and David Cassidy

Most of the couples on this list fell head-over-heels for each other, even if only for a short time — but in the case of "The Partridge Family" stars Susan Dey and David Cassidy, it seems to be a case of unrequited love. Dey played Laurie Partridge, the sister to Cassidy's Keith in the popular 1970s sitcom. Despite their familial status on-screen, Dey quickly fell for her co-star. Cassidy knew about her feelings, and when the show ended in 1974, they briefly pursued a relationship that culminated in a one-night stand. However, Cassidy's feelings for his co-star weren't equal to hers, and ultimately, he rejected her.

Two decades later Cassidy revealed the details of their relationship, explaining in his 1994 tell-all: "I find a certain sluttiness very attractive in a woman, and Susan just didn't have it." David later admitted to Desert News (via Inquisitr) that he lost touch with Dey in the early 1990s, probably because he aired details of their failed romance in his book.

Dey found love with Leonard Hirshan, with whom she welcomed a daughter. They later divorced, and she married TV producer Bernard Sofronski in 1988. Meanwhile, before his death in 2017, Cassidy racked up a series of marriages and divorces and had two children: a son, Beau, with his third wife, Sue Shifrin; and a daughter, "Arrow" star Katie Cassidy, from whom he was estranged, from an affair with model Sherry Williams.

Nell Tiger Free and Dean Charles Chapman

Nell Tiger Free and Dean-Charles Chapman starred in "Game of Thrones" as siblings Myracella and Tommen Baratheon who, as any fans of the show will know, were actually Lannister children resulting from Cersei's (Lena Headey) affair with Jaime (Nikolaj Coster-Waldau). The young stars joined the fantasy drama in Seasons 5 and 3, respectively, to play the teenage versions of the characters and remained on the show until their untimely deaths in Season 5 and Season 6.

When the fifth season began airing in 2015, Free and Chapman were 15 and 17, and it wasn't long before they sparked romance rumors. Outlets like Elite Daily and TV Guide reported that they were dating in August of that year. The pair kept their relationship on the down-low, but a series of social media posts revealed a few details about their time together. In pictures Free posted on X, formerly Twitter, the pair seemingly took a vacation together and attended a festival together. When they were apart, Free posted on Twitter, "Miss you @Dean_C_Chapman," and added a love heart to the end of her message.

It seems like Free and Chapman's relationship may have fizzled out as the pair haven't posted anything together lately. They may both be too busy concentrating on their careers, as Free has gone on to star in Apple TV+'s popular horror drama "Servant," while Chapman has starred in a string of blockbusters, including "1917."

Angelina Jolie and Colin Farrell

Before she infamously began a relationship with Brad Pitt after meeting on the set of "Mr. and Mrs. Smith" while he was married to Jennifer Aniston, Angelina Jolie sparked romance rumors with Colin Farrell. The "Maleficent" star played the mom of the "Banshees of Inisherin" actor in the 2004 historical drama "Alexander." While they never publicly confirmed their romance, several outlets reported that the pair had a relationship that was more than familial. They had been spotted spending time together, away from the set in Egypt and again at several nightclubs in London. Nothing came of it in the early 2000s, however, and Jolie pursued a relationship with Pitt.

Fifteen years later, after divorcing Pitt, Jolie once again sparked romance rumors with Farrell. "They've always had a deep connection. And since Angie's breakup from Brad [Pitt], Colin has been back in touch," a source close to the couple told Life & Style (via Closer Weekly). "They really like and respect each other. ... They have talked about getting together, probably in London, and soon."

It's unclear whether the former co-stars ever met up after Jolie's divorce, but it's obvious they developed strong feelings for each other after working on "Alexander." Recently, Jolie has been focused on being there for her six kids since her divorce from Pitt, while Farrell has been busy making career moves as Gotham's mob boss, Oswald Cobblepot aka The Penguin.

Jamie-Lynn Sigler and Robert Iler

Jamie-Lynn Sigler and Robert Iler are best known for playing siblings Meadow and AJ in "The Sopranos." The family crime drama premiered in 1999 and continued until 2007. When the series ended, Sigler and Iler sparked romance rumors, and Hollywood.com reported that they dated for several months in 2007 after they were spotted at a Las Vegas nightclub together. At the time, Sigler gushed about Iler to Foster's Daily Democrat. "I truly love him and we've always looked out for each other," she said, though tried to deny that their connection was romantic.

Any potential romantic relationship between them never got more attention in the press, and they've remained close in the years since. Now the on-screen siblings even host a podcast together called "Not Today Pal," where they discuss their friendship, life, and pop culture, covering everything from dating to their favorite foods. Speaking on their relationship in the present day, Sigler said (via Business Insider), "[Robert] and I are best friends and we're still as close as we are, because the experience we all went through was really unique."