Clemence Poesy: ‘Harry Potter’ Pretty

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Emma Watson wasn’t the only actress at the world premiere of Harry Potter and the Deathly Hallows: Part 1 who looked lovely in black lace on the red carpet.

Clemence Poesy, who guest-starred on Gossip Girl earlier in the season, wore a gorgeous Chanel couture gown. Did Chuck Bass pull some strings to land such an outrageous haute couture number? What do you think of her look?