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."

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 is making a romantic confession about his major love interest during his time on Gossip Girl.During an exclusive interview with Variety on Thursday, September 19, the 42-year-old,

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,

Sebastian Stan has sent fans of the iconic TV show Gossip Girl wild as he revealed his first “serious love” was on the show. Sebastian reminisced about how he fell in love for the first time while on Gossip Girl. The actor made the shocking confession in a new interview with Variety.

It looks like Sebastian Stan meant every one of his xoxos to Leighton Meester. The Gossip Girl alum revealed that he feels particularly nostalgic about his role as Carter Braizen on the CW series from 2007 to 2011 due to the significance of his relationship at the time.