WHO: Leighton Meester WORE: $25.50 I HEART Ronson floral print skirt WHERE: Filming Gossip Girl in New York Queen B is usually spotted in opulent dresses ... YOUR BACK, BLAIR WALDORF ...

From the red polka dot style Hailey Bieber wore to ... whether it's a coloblocking version or just an all-black look. In true Blair Waldorf fashion, headbands have been a major source of ...