JUSTIN CAMPBELL/startraksphoto.com

WHAT SHE WORE Leighton Meester debuted her chopped locks in a strapless Mary Katrantzou number and black heels.

WHY WE LOVE IT A new dress to go with her new hair! The actress looked thoroughly modern in a sleek printed design.
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Leighton Meester

Leighton Meester debuted her locks in Mary Katrantzou

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