I remember vividly where I was when I find out Eliza Taylor and Bob Morley from " The 100 " were marry .
1.First, Kaitlin Olson and Rob McElhenney began dating duringIt’s Always SunnySeason 2, but kept it a secret from their costars for two seasons. Onan episode ofArmchair Expert, Kaitlin revealed, “It was so much fun. And terrifying. We were so scared they were going to hate us.” Eventually, they revealed their relationship to the cast, with Mary Elizabeth Ellisrecalling to BuzzFeed, “Kaitlin just starts crying and says, ‘I love him. I love him so much, you guys. He’s such a great person. We don’t want you guys to be mad at us because we’re dating and on the show.'”
2.Eliza Taylor and Bob Morley starred as Clarke Griffin and Bellamy Blake onThe 100from 2014 to 2020. In June 2019, the duoshocked everyoneby announcing that not only had they been dating behind the scenes, but they had recently gotten married. In a since-deleted tweet, Eliza said, “Recently I married mybest friendand soul mate.” And Bob added, “It is with such a full heart that I call @MisElizaJane my wife. This is something we both cherish very deeply and are beyond happy. Please remember to be respectful and kind to one another. Be well be kind.”
3.Mary MouserandTanner Buchananbegan starring together inCobra Kaiin 2018. For six seasons, they played Samantha LaRusso and Robby Keene, respectively. During the final season premiere in 2025, Mary and Tanner walked the red carpet together and showed off matching rings. Afterward, theytook to Instagramand, in a joint post, wrote, “We’re so happy to finally share that we’re engaged.”
4.Kaley Cuoco and Johnny Galecki dated for two years starting aroundThe Big Bang TheorySeason 2 in 2008. They managed to keep their relationship a secret from most of the cast for a long time before admitting that they’d been seeing each other. InThe Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series, Kaleyrecalled, “We call Jim [Parsons] on speaker, and Johnny says, ‘I’m in love with Kaley,’ or ‘I really want to be with Kaley,’ and Jim goes, ‘Ah! Does she know?!’ I started laughing and yelled, ‘Yes, I know! I’m here!'”
5.Carrie Fisher and Harrison Ford first met when they were cast as Princess Leia and Han Solo inStar Wars: A New Hopein 1976, with their onscreen relationship being one of the most memorable film love stories. 40 years later, in her memoir,The Princess Diarist, Carrie revealed that she and Harrison had an affair while filmingA New Hope. Discussing their first weekend together, Carrie wrote, “I reached into my bag for my keys. Leia found them and led him into the building to her apartment, and Carrie spent the rest of the night making sequels with her future cinematic husband. How would it all end? Would it all end? And how would I look when it did?”
6.After starring together inScott Pilgrim vs. the Worldin 2010, Aubrey Plaza and Michael Cera quietly dated for a little over a year. However, Aubrey didn’tconfirmthe relationship until 2016. On an episode of RuPaul’s podcast, Aubrey said, “He’s a very special … I mean, we love each other. We’re still really good friends. He’s just a weird little freak, and we speak the same language.” Then, in 2023, Michaelrevealed to Rolling Stonethat he and Aubrey almost got married.
7.Maureen McCormick and Barry Williams starred as Marcia and Greg Brady onThe Brady Bunchfrom 1969 to 1974. Nearly 18 years after the series ended, Barry revealed in his book that he and Maureen kissed off-screen while filming the famous Hawaii episodes. Then, Maureentold theToday Showin 2018 that she and Barry had an “on-again, off-again” relationship while filming. In a 2025 episode of his podcast,A Very Brady Re-Run, Barry spoke about their relationship again, saying, “It was sort of like on-again, off-again with Maureen and I throughout the years. There was always a little dance being played.”
8.Saoirse Ronan andSlow Horsesstar Jack Lowden met on the set ofMary Queen of Scotsin 2018. Saoirse played Mary, while Jack played Mary’s second husband, Henry Stuart. The duo never publicly confirmed their relationship, with Jack even avoiding a question about it in 2019. Then, in 2024, the duogot marriedand walked theirfirst red carpet together.
9.Keri Russell and Matthew Rhys began starring as Elizabeth and Philip Jennings onThe Americansin 2013. The duo quietly began dating beforepublicly confirmingtheir romance in 2014. Ina 2023 interview with Andy Cohen, Matthew revealed that he and Keri managed to keep their relationship a secret “about a solid year” while filming. He joked, “It’s those sneaky [production assistants] who get onto it.”
10.Saved by the Bellcostars Mark-Paul Gosselaar and Elizabeth Berkley, who played Zack Morris and Jessie Spano, actually dated while they starred on the show together for four seasons. Their offscreen relationship remained a secret until Mark talked about it ona 2019 episode ofAnna Faris Is Unqualified. He said, “When you’re working on a set, and we were young, there’s no one around really. I mean, you work and live in a bubble.”
11.In 1996, Julia Roberts made a memorable guest appearance onFriendswhere she went on a date with Chandler, played by Matthew Perry. Then, 26 years later, in his memoir,Friends, Lovers, and the Big Terrible Thing, Matthew officially confirmed that he and Julia dated offscreen for about three months. Of their breakup, he wrote, “Dating Julia Roberts had been too much for me. I had been constantly certain that she was going to break up with me. Why would she not? I was not enough.”
12.Katie Holmes and Joshua Jackson dated offscreen during the early seasons ofDawson’s Creek. When asked about their relationship ina 1998 interview with Rolling Stone, Katie said, “I’m just going to say that I met somebody last year. I fell in love, I had my first love, and it was something so incredible and indescribable that I will treasure it always.” Then, in 2003, Joshua publicly talked about their relationship,telling Conan O’Brien, “In the very beginning Katie and I did have a romance.” He also said it was “a little difficult” when, a year after they broke up, Joey and Pacey got together on screen.
13.In her 2022 memoir,Out of the Corner, Jennifer Grey revealed that she and Matthew Broderick secretly dated while filmingFerris Bueller’s Day Offin 1986, even going as far as hiding it from the cast and crew. She wrote, “I was as surprised as anyone when our relationship morphed from on-screen sibling rivalry to off-screen illicit romance.” She revealed that Matthew had reportedly been seeing someone else, so they broke up until he called off the other relationship. Jennifer and Matthew went public with their romance after filming wrapped.
14.Despite being two of the most talked about stars of the ’80s, River Phoenix and Martha Plimpton managed to keep their relationship under the radar while filmingThe Mosquito Coasttogether in 1986. They dated for three years, making their first big red carpet appearance together at the 1989 Academy Awards. Shortly after, they broke up, with Martha saying,per the bookIn Search of River Phoenix, “When we split up, a lot of it was that I had learned that screaming, fighting, and begging wasn’t going to change him. He had to change himself, and he didn’t want to yet.”
15.Mischa Barton and Ben McKenzie starred together as Ryan Atwood and Marissa Cooper onThe O.C.,starting in 2003. Their characters were notably one of the central relationships in the show until Mischa left after Season 3. Over 20 years later, whileappearing onCall Her Daddy, Mischa confirmed that she and Ben actually dated behind the scenes, too. She called the relationship “complicated,” especially because she was 17 and he was 25 at the time.
16.While Kristen Stewart and Robert Pattinson’s relationship was very public, they managed to keep it pretty private as long as they could. When filming began onNew Moon, Kristen notablydeniedthe romance rumors. The relationship wasn’t publicly confirmed until 2010, when a producer accidentally let slip that they were dating,telling Time, “The thing I do think about is,Oh my god, I hope they stay together. Because it could be awkward on set in the next movie if they have a huge falling out.” It wasn’t until 2011 that Kristen finally called Rob her “boyfriend” inan interview with British GQ.
17.Tom Hiddleston and Zawe Ashton met while starring together in the 2019 playBetrayalin London. Then, they continued starring together when the play transferred to Broadway. They started quietly dating and didn’t attend their first red carpet together until 2021. The following year, Tom confirmed their engagementto the LA Times, saying, “I’m very happy.”
18.Austin Nichols joinedOne Tree Hillin Season 6 as Julian Baker, who eventually became the love interest of Brooke Davis, played by Sophia Bush. Shortly after joining, rumors began that the duo were dating offscreen. In 2010, Sophiarevealed to E! Newsthat they had actually been “dating off and on for the past four years.” The duodated until 2012, but have remained very close friends, with Austin being a frequent guest on herDrama Queenspodcast.
19.And finally, Zendaya and Tom Holland met while starring together as MJ and Peter Parker inSpider-Man: Homecomingin 2016. At the time, rumors spread that the duo were secretly in a relationship, but they maintained that they were good friends. Five years later, photos were published that revealed Zendaya and Tomkissing in a car, effectively confirming their offscreen romance. The duo continues to remain as private as possible, and in 2025, it was revealed that they areengaged.
