Leighton Meester dons a colorful pair of skintight tie-dye pants as she performs a five-song set at the American Eagle Outfitters flagship store preview party on Tuesday (November 17) in Times Square, New York City. The 23-year-old Gossip Girl actress performed Cobra Starship?s hit song ?Good Girls Go Bad? as well as ?Somebody to Love? (mixed with Sha-DJ ? from her producer Shahine Ezell), ?Playing Games,? ?Not as Cool,? and ?Your Love?s A Drug.?