Leighton Meester (Born: Leighton Marissa Meester - April 1986 - Fort Worth, TX, USA) as Blair Waldorf on "Gossip Girl"

Happy Birthday Leighton Meester! 16 times Blair Waldorf spoke the truth

16 Times Blair Waldorf Taught Us How To Be A BOSS

Blair Waldorf may have been the "crazy bitch" of the Upper East Side, but she was also the reigning queen of getting everything she wanted — and knocking down anything (or anyone) that stood in her way. She had sass for days and a drive for success.