Some of them still played a couple after the breakup!
Costars Cole Sprouse and Lili Reinhart dated from 2017–2020.
Photo: Katie Yu / Network/Courtesy Everett Collection
Camila Mendes and Charles Melton dated from 2018–2019 then got back together in 2021.
Costars Frankie Rodriguez & Joe Serafini confirmed their relations
Photo: Fred Hayes / Disney+ / courtesy Everett Collection
Olivia Rodrigo and Joshua Bassett never confirmed their romantic involvement, but it's been widely speculated that they were involved between 2019–2020.
Mark-Paul Gosselaar & Elizabeth Berkley dated at some point during filming
Photo: NBC Courtesy Everett Collection
Mark-Paul Gosselaar also dated Lark Voorhies for three years toward the end of the show's run.
Tiffani Thiessen and Mario Lopez also dated during their time at Bayside High, but their relationship ended because he cheated on her.
Nina Dobrev and Ian Somerhalder dated from 2011–2013 and remained friends
Paul Wesley and Torrey DeVitto were already married when she joined the cast in 2012, but they divorced a year later.
Then, Paul Wesley dated Phoebe Tonkin from 2013–2017.
Costars Mary Elizabeth Ellis and Charlie Day have been married since 2006.
Photo: Fx Networks / Networks/Courtesy Everett Collection
Kaitlin Olson and Rob McElhenney got married in 2008.
Ginnifer Goodwin and Josh Dallas got married in 2014.
Photo: Abc / ABC/Courtesy Everett Collection
Jennifer Morrison and Sebastian Stan dated from 2012–2013.
Nick Offerman and Megan Mullally have been married since 2003.
Photo: Karwai Tang / Getty Images
Amy Poehler and guest star Nick Kroll dated from 2013–2015.
Mary Elizabeth Winstead and Ewan McGregor have been together since 2017.
Photo: Jason Laveris / FilmMagic / Via Getty
Kirsten Dunst and Jesse Plemons got engaged the same year.
Keri Russell and Scott Speedman quietly dated for several years during the show's run.
Photo: Touchstone Television
Jennifer Garner and Scott Foley met on set, got married in 2000, and divorced in 2004.
Dove Cameron and Ryan McCartan dated from 2013–2016 and were briefly engaged.
Audrey Whitby and Joey Bragg have been together since he guest-starred on AwesomenessTV in 2013. She had a minor role on Liv and Maddie from 2015–2016.
Lost, Supernatural, Gossip Girl
Photo: Phillip Chin/Getty Images for Warner Bros
Just like some people date their classmates or coworkers, actors often date their costars. On the set of a long-running TV show, several costar relationships might be happening at the same time.