Though he doesn't directly name his Gossip Girl costar and ex-girlfriend Leighton Meester, the two dated from 2008 to 2010.

Sebastian Stan fondly looked back at a romance during his Gossip Girl era, presumably with ex-girlfriend Leighton Meester.

In an interview with Variety, Sebastian Stan took a look back at his time starring in "Gossip Girl," revealing that he was ...

Sebastian Stan fondly looked back at a romance during his Gossip Girl era, presumably with ex-girlfriend Leighton Meester. “It was the first time I was in serious love with somebody,” Stan ...

As a reminder, Meester went on to marry her husband Adam Brody in 2014 and together they share a daughter Arlo Day, 7, and a ...

Adam Brody, my teenage crush from The O.C., recently talked about his marriage to my teenage hero, Leighton Meester from ...

Hadid completed her high-fashion look with a black leather clutch, a collection of cocktail rings, and a silver bangle on one ...