Stan and Meester dated from 2008 to 2010 after meeting on the set of 'Gossip Girl' Sebastian Stan is looking back at his first time falling in love. The 42-year-old actor opened up to Variety about his first serious relationship while reflecting on his time on the hit TV show,

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, 42, told Variety in an interview published on Thursday, September 19, about his time on the Gossip Girl set.

Adam Brody, my teenage crush from The O.C., recently talked about his marriage to my teenage hero, Leighton Meester from Gossip Girl, on Dax Shepherd’s Armchair Expert podcast. When it comes to the business side of things, “Everything is run through each other,” Brody said.

Sebastian Stan shared that he had his first "serious love" while filming Gossip Girl from 2007 to 2011 alongside costar Leighton Meester, who he split with in 2010 following two years of dating.