In an interview with Variety, Sebastian Stan took a look back at his time starring in "Gossip Girl," revealing that he was "in serious love" for the first time while appearing on the show.

Sebastian Stan has had a great time in Hollywood. However, the star had his feelings escalated back when he was young and in love. The Fresh actor recently shed light on the time he first felt a strong feeling of love,

Sebastian Stan hints 'Gossip Girl' costar Leighton Meester was his first "serious relationship," saying, "It was the first time I was in serious love with somebody."

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,