Kaley Cuoco and Johnny Galecki, stars of The Big Bang Theory, were not only an on-screen couple but also dated in real life from 2007 to 2009. Their relationship was kept under wraps during its course, as they wanted to maintain privacy and avoid impacting the show’s dynamic. Despite their breakup, the two remained close friends and continued to work together seamlessly on the hit sitcom for nearly a decade after their split.
Their characters, Penny and Leonard, had a tumultuous yet endearing romance that became one of the central storylines of the series.
Sophia Bush and Chad Michael Murray’s real-life romance mirrored the drama of their hit show, One Tree Hill. The pair began dating while starring as Brooke Davis and Lucas Scott, eventually marrying in 2005.
However, their marriage was short-lived, ending in divorce just five months later. Despite the personal turmoil, the two had to continue working together on the show for several more seasons, as their characters’ lives remained deeply intertwined. Bush later spoke about the challenges of navigating such a public breakup while still delivering authentic performances.
Nina Dobrev and Ian Somerhalder’s off-screen romance captivated fans of The Vampire Diaries, where they played the iconic couple Elena Gilbert and Damon Salvatore. The pair began dating in 2010, but their relationship ended in 2013 after three years together. Despite their breakup, Dobrev and Somerhalder continued to work closely on the show, portraying one of television’s most beloved on-screen couples.
Both actors have spoken positively about their time together and their ability to remain friends post-breakup. Adding to the dynamic, Somerhalder later married actress Nikki Reed, and Dobrev publicly expressed her happiness for the couple.
Jennifer Lawrence and Nicholas Hoult’s romance began in 2010 while filming X-Men: First Class, where they played the mutant characters Mystique and Beast. The couple dated on and off for several years before officially calling it quits in 2014.
Despite their breakup, Lawrence and Hoult continued to work together on subsequent X-Men films, including X-Men: Days of Future Past and X-Men: Apocalypse. Both actors have spoken highly of each other in interviews, emphasizing the respect and admiration they maintained even after their split. Lawrence once described Hoult as a great friend.
Lili Reinhart and Cole Sprouse’s real-life romance blossomed on the set of Riverdale, where they portrayed the fan-favorite couple Betty Cooper and Jughead Jones. The pair began dating in 2017, but after three years together, they quietly ended their relationship in early 2020.
Sprouse later confirmed their breakup in an Instagram post, calling their time together an “incredible experience” and expressing gratitude for their relationship. Reinhart, too, has spoken about the challenges of heartbreak but emphasized the importance of growth and self-reflection.
Rachel Bilson and Adam Brody were the ultimate early 2000s couple, both on and off-screen. While starring as Summer Roberts and Seth Cohen on the teen drama The O.C., their characters’ quirky, heartfelt romance became a fan favorite. Behind the scenes, Bilson and Brody began dating in 2003, but their relationship ended in 2006, shortly before the show wrapped its fourth and final season.
Over the years, both actors have moved on to other projects and relationships, but their time together on The O.C. remains a nostalgic highlight for fans of the show.
Jennifer Morrison and Jesse Spencer’s romance began on the set of the medical drama House, where they played the on-screen couple Dr. Allison Cameron and Dr. Robert Chase. The pair started dating in 2004 and even got engaged in 2006. However, their engagement was called off in 2007, and the couple ultimately went their separate ways.
Despite their personal breakup, Morrison and Spencer continued to work together on House for several more seasons, as their characters’ relationship remained a key storyline.
Milo Ventimiglia and Hayden Panettiere’s relationship began while working together on the hit TV series Heroes, where they played Peter Petrelli and Claire Bennet. Although their characters were related on-screen, their off-screen romance blossomed in 2007. The couple’s relationship garnered significant media attention due to their 12-year age difference, but they seemed unfazed by the scrutiny. However, by 2009, the pair had amicably parted ways.
Even after their breakup, Ventimiglia and Panettiere continued to work together on Heroes until the show’s conclusion in 2010.
Joey King and Jacob Elordi’s love story began on the set of Netflix’s The Kissing Booth in 2017, where they played the charming couple Elle Evans and Noah Flynn. Their on-screen chemistry quickly translated into a real-life romance, much to the delight of fans. However, the pair quietly ended their relationship in 2018, leaving many wondering how they would navigate working together on the film’s sequels.
Despite the breakup, King and Elordi reunited for The Kissing Booth 2 and The Kissing Booth 3, delivering the same romantic spark that made their characters so beloved. King later admitted that filming with an ex wasn’t always easy, but she emphasized her commitment to the project and her professionalism.
Amanda Seyfried and Dominic Cooper’s romance began while filming the 2008 musical hit Mamma Mia!, where they played the young, star-crossed lovers Sophie and Sky. Their chemistry on-screen was undeniable, and it carried over into real life as the two began dating during production.
However, their relationship ended in 2010, leaving fans curious about how they would handle working together again. Fast forward to 2018, and Seyfried and Cooper reunited for the sequel, Mamma Mia! Here We Go Again. Despite their history, the two slipped back into their roles seamlessly, bringing Sophie and Sky’s love story back to life.
