Stars Who Fell In Love With Their On-Set Siblings

On-set romances between Hollywood co-stars aren't uncommon occurrences at all. Think about it. Celebrities often get paid to make out and get hot and heavy in front of a camera, so it's not surprising that some of that action may continue when filming stops. While that makes total sense when two actors are filming steamy love scenes for hours at a time, it's a little stranger — and way creepier — when they're portraying one another's brother and sister. It really gives a whole new meaning to the phrase "family affair," huh?

The following celebrities sort of took their work home and mixed business with pleasure in the sense that they dated their co-stars — but those co-stars played their siblings rather than a love interest. Please keep in mind that reality and fantasy are not the same, so despite what you're used to watching at home or on the silver screen, these stars are not actually related! Check out these stars who fell in love with their on-set siblings.

Before they were Marvel movie fixtures, Chris Pratt and Emily VanCamp's breakout roles were on Everwood, where they starred as brother and sister Bright and Amy Abbott, respectively. They became smitten with one another on the set of the show, which debuted in 2002, and began dating in 2004.

Pratt admitted to TV Guide in 2006 that dating an on-screen sibling was a bit weird, but only because they were initially secretive about their romance for their first six months together to avoid making anyone else on set uncomfortable. Once they went public, though, it was just icky to people who didn't know the couple well and couldn't separate fiction from reality. "We've pretty much gotten used to the response of, 'Eww, that's weird. That's creepy,'" Pratt said. "The people who know us are happy, and probably expected it to happen eventually. But yeah, every once in a while we get that one person that's like, 'That's really creepy. You just kissed your sister.'"

Alas, once the show ended in 2006, the relationship eventually followed suit. Pratt and VanCamp split in 2007.

After Emily VanCamp's split from Chris Pratt in 2007, she dated Dave Annable, her co-star on, oddly enough, Brothers & Sisters, where he played half-brother Justin to VanCamp's Rebecca on the series. The show's executive producer, Greg Berlanti, admitted in 2008 that their chemistry was so palpable that he had to rethink the plot of the series to accommodate them, leading the storyline to add a twist suggesting they may not actually be related after all.

"They were Ephram and Amy from Everwood," Berlanti told Entertainment Weekly. "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."

VanCamp and Annable admitted to dating briefly while they worked together, but insisted that, for the bulk of the show's run, they were just besties, reported EW. Really, really attractive besties.

Jamie Campbell-Bower and Lily Collins played demon-hunting brother and sister duo Jace and Clary Fray in the ill-fated film adaptation of The Mortal Instruments: City of Bones. Campbell-Bower and Collins got cozy on set and dated on and off for two social media PDA-filled years before splitting in October 2015 — and then reuniting yet again in January 2018. Sources said the couple remained close, even during off-again periods. In 2015, Hollywood Life reported that Collins told pals Bower was her soulmate. 

Collins gushed to Glamour UK of their on-set and off-screen romance (via E! News), saying, "People are cast because they have chemistry. You're spending 24-hour days together and it's intense ... plus you really get to know the best and worst sides of people — the rawest sides of people. You're perfect for the role because you have that connection with each other and sometimes that translates into more."

Before she was booted from Beverly Hills, 90210 for her allegedly bad behavior, Shannen Doherty starred as Brenda Walsh on the show, and she supposedly got hot and heavy with Jason Priestley, who played her on-screen brother, Brandon. Though Doherty hasn't spoken publicly about their hookup, Priestley told The Howard Stern Show that he and Doherty got it on during the first season of the show in 1990 (via ABC News).

As it turned out, their romance wasn't Priestley's only co-star canoodle from 90210. Tori Spelling later revealed on Tori Spelling: Celebrity Lie Detector (via Us Weekly) that she and Priestley also hooked up briefly. "It was a summer fling. It was off-set. It was our version of a summer romance. The 90210 version," she said. Spelling admitted in the same segment that she urged her father to fire Doherty after Doherty and co-star Jennie Garth got into a fight, which makes us wonder if there might be more to that story than she's let on.

Evan Rachel Wood and Shane West starred as sister and brother Jessie and Eli Sammler on Once and Again from 1999 to 2002. Years after the show wrapped, People reported that Wood and West supposedly got very non-platonic at a birthday party for the actor in June 2009.

Spies saw West doting on the True Blood actress, with witnesses claiming he frequently kissed Wood's cheek and hand. The pretty pair kept close all night, and Wood reportedly serenaded West with a sultry rendition of "Happy Birthday." People said the couple arrived together at the Bardot nightclub, where they met up with a large group of friends. 

Wood semi-confirmed that they were romantically involved at the time. "I think you can put two and two together ... I won't confirm or deny [that we're dating] but I don't think I have to," she told press at an awards show (via People). "I have a celebrity crush on Shane West, of course. It was a great party."

Peter Krause and Lauren Graham played brother and sister Adam and Sarah Braverman on Parenthood from 2010 to 2015. Since then, they've been a real-life couple, and they're almost too cute to stand. Krause told Live! With Kelly and Ryan that they kept their relationship "pretty quiet" in the beginning but eventually went public when it got serious. 

Krause also revealed that Graham tried to date him almost 15 years earlier when they both guest-starred on Caroline in the City, but he didn't pick up on her flirting. "We were guest-starring ... She had me move some furniture into her apartment for her back then. She had got some thing. I didn't catch the signal," he siad.

Graham has been forthcoming about their romance, which is still going strong to date. She wrote in her memoir, Talking as Fast as I Can: From Gilmore Girls to Gilmore Girls (and Everything in Between): "At our age [Krause and I had] probably both been through 'showmances' that went south and made work an uncomfortable place to be. But ultimately, our mutual wariness gave way — it just sort of happened" (via People).

Talk about an '80s dream team! Jennifer Grey and Matthew Broderick, who starred as siblings Jeanie and Ferris Bueller in Ferris Bueller's Day Off, were a cute couple off the big screen. Unfortunately, their relationship was marred by tragedy. According to People, while vacationing together in Ireland in 1987, Grey and Broderick, who was behind the wheel, were in a car accident that left them both injured and that killed the occupants of another vehicle — a 28-year-old woman and her 63-year-old mother.

Grey later admitted that she was never the same after the accident, which occurred just days before the opening of Dirty Dancing. "I became America's sweetheart within five days of the accident," she told People. "The juxtaposition of that deep sorrow, the survivor's guilt ... and then being celebrated as the new big thing just didn't jibe. It didn't feel good to be the toast of the town ... The impact was emotional and physical. My body was never the same, my head was never the same, my ambition was never the same."

Jason Behr and Katherine Heigl played extraterrestrial siblings Max and Isabel Evans on Roswell while reportedly dating off-screen (via PopSugar). They got engaged in 2001 and wound up staying together until their popular show ended in 2002, but they never walked down the aisle to tie the knot, according to Entertainment Tonight.

Behr went on to marry Private Practice actress KaDee Strickland in 2006 after meeting on the set of the 2004 horror film The Grudge (via People). They share a son, Atticus Isaac Behr, who was born in October 2013. Heigl wed singer Josh Kelley in 2007 after meeting on the set of his "Only You" music video in 2004. They share two adopted daughters, Naleigh and Adalaide, and a son, Joshua.

As the Roswell reboot gets underway on The CW in 2019, some fans are hoping that maybe, just maybe, we'll at least get to see Behr and Heigl appear onscreen together again, though that's a huge question mark at this point.

Mark Hamill and Carrie Fisher played brother and sister Luke Skywalker and Princess Leia in the Star Wars franchise — and their characters even kissed on the big screen before they realized they were siblings!

It turns out, Fisher and Hamill engaged in some hanky-panky when the cameras were off, too, but it was never anything too major. Hamill told The Guardian in December 2017, "Carrie and I were attracted to one another, but I knew from previous jobs that it would have been a bad idea [to get involved with someone on set]. But Carrie and I found pretexts ... One time ... we were talking about kissing techniques. I said, 'Well, I think I'm a fairly good kisser. I like to let the women come to me rather than be aggressive.' And she said, 'What do you mean?' Well, next thing you know, we're making out like teenagers!"

It never went beyond their lip-locking tutorial, though. Hamill admitted with a chuckle, "We were all over each other! But the one thing that drew Carrie and me back from the precipice was we kind of became aware of what we were doing and just burst out laughing. Which was unfortunate for me because the rocket launch sequence had been initiated." Hamill admitted that he was more into Fisher than she was into him, but that they soon became purely platonic pals — ironically, they were "like real siblings over the years."

Susan Dey and David Cassidy starred as siblings Laurie and Keith Partridge on The Partridge Family from 1970 to 1974, during which time Dey fell hard for Cassidy. Unfortunately, he didn't return her affections and was often described as having been cruel to the young beauty. He wrote in his autobiography C'Mon Get Happy ... Fear and Loathing on the Partridge Family Bus (via Entertainment Weekly) that Dey "lacked the sl**ty aspect of a female that I always found so attractive." Wow, talk about a backhanded compliment!

Cassidy and Dey's onscreen mom, Shirley Jones — who was also Cassidy's real-life stepmother — wrote in her own memoir (via Parade) that Dey "had a great big crush on David, and he didn't reciprocate her feelings." Jones mentioned that Cassidy viewed Dey as a sister but that Dey simply couldn't get over him, no matter how many groupies he flaunted in front of her. "Throughout the series, Susan Dey continued to be crazy about David, but he didn't handle her emotions for him particularly well or sensitively ... She wouldn't listen to my advice to stay away from David, and I found myself warning her over and over against getting involved with him."

Michael C. Hall and Jennifer Carpenter starred as foster siblings Dexter and Deb on Dexter — and they fell so in love off-set that they actually got married. Carpenter and Hall tied the knot in December 2008, People reported, but the bliss didn't last long. Hall and Carpenter separated in August 2010 and divorced in December 2011. The exes were relatively amicable and continued to work together after their split. People reported that they even frequently went out for platonic meet-ups.

In 2013, Carpenter teared up at a Dexter fan event when asked about working with her ex. "Our marriage didn't look like anyone else's, and our divorce didn't either, so ... I said it before, just because the marriage ended doesn't mean the love did," she said (via Us Weekly). "I'm crying. It's an awkward thing to talk about your personal life in front of a bunch of strangers, but there's nothing but love and respect."

Hall added, "I would say the fact that Jennifer and I worked through whatever was going on with us personally the way we did and maintained telling the story was never in question. It was always what we needed or wanted to do."

Maggie Grace and Ian Somerhalder played step-siblings Shannon and Boone on Lost, and after being killed off the series, they quietly dated in real life from 2006 to 2007. They kept their romance mostly under wraps while they were together (Grace once explained that she didn't want to to jinx it), but they spoke fondly of one another after their split. 

"I haven't dated too many actors," Grace told New You magazine in January 2015. "I did when I was really young, for a couple of years, but it's nothing against actors. Ian Somerhalder and I are still very good friends. You can certainly reconcile schedules with actors but it takes some doing, and I just don't have that energy."

Though the pair appeared cozy at a Lost reunion in 2014, they are simply pals. Somerhalder married Twilight actress Nikki Reed in April 2015.

The Brady Bunch stars Barry Williams and Maureen McCormick, who starred as siblings Greg and Marcia Brady, respectively, had the hots for one another on the set of the show. Sparks didn't fly immediately, as filming began when McCormick was 12 to Williams' 14, but eventually the two actors did, in fact, begin canoodling. 

In her memoir, Here's The Story: Surviving Marcia Brady and Finding My True Voice (via TV Guide), McCormick described her first kiss with Williams as "long, passionate and deep," but she also added, "A part of me — a tiny part, admittedly — said to myself, 'Oh my God! I'm kissing my brother. What am I doing?'" She even admitted (via the New York Daily News) that she would have lost her virginity to Williams if his parents hadn't walked in on them getting hot and heavy at his house. She also revealed a scandalous secret about The Brady Bunch episode in which Marcia and Greg bicker about the attic bedroom. She and Williams supposedly couldn't keep their hands off of each other in that very bed.