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"PUNK: Chaos To Couture" Costume Institute Gala

Blake Lively -- who typically wears Chanel couture to the fashion fete -- decided to switch things up in a breathtaking pale green and black-feathered Gucci Gown.

Best Dressed Celebs at the 2013 Met Gala

See which stylish stars ruled the red carpet at the Met Costume Institute Gala celebrating the museum's new art exhibit -- Punk: Chaos to Couture.