Related: Sebastian Stan's Dating History: From Leighton Meester to Annabelle Wallis Though he doesn't directly name his ...

Well, that's exactly what happened with Sebastian Stan and his first love, fellow actress Leighton Meester. "It was the first time I was in serious love with somebody," the Fresh actor reminisced ...

Seventeen years after the OG hit series premiered, we're checking in with Blake Lively, Penn Badgley, Leighton Meester, Taylor Momsen and more stars from the CW hit. Sebastian Stan shared that he ...