5. Leighton Meester and Adam Brody
Leighton Meester and Adam Brody’s romance came as a surprise to many, considering their iconic roles as Blair Waldorf and Seth Cohen in Gossip Girl and The OC. They started dating in 2013, and by 2014, they were married. Their off-screen love story continues to captivate fans, with their chemistry creating a truly endearing real-life couple.