NOTE: PLEASE ONLY SPOT BLAIR WALDORF SPOTS WITH THE GOSSIP GIRL PROFILE AND THE BLAIR WALDORF AND CHECK WHAT YOU’RE SPOTTING IS CORRECT!!! Leighton Marissa Meester (born April 9, 1986 in Forth Worth, Texas) is an American actress, known for her role as Blair Waldorf in the TV show Gossip Girl and as Chiles Stanton in Country Strong. Her first acting role on a television program was on NBC’s legal drama Law & Order in 1999. Other series in which Meester has appeared include CSI: Miami, 8 Simple Rules, 24, 7th Heaven, House and Entourage. She has been in the movie Date Night and in the upcoming movies The Oranges and Monte Carlo.