Fashion's A-List: 2009 Met Gala's Best Dressed

Leighton, Rihanna, Justin, Victoria and so many more stars turn out in gorgeous gowns and jaw-dropping jewels for the "Model As Muse: Embodying Fashion" Costume Institute Gala at the Metropolitan Museum of Art. By Melissa Liebling-Goldberg

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At the other end of the spectrum, Meester's costar goes for all-out sex appeal in her plunging Versace teal chiffon evening gown paired with crystal-detailed Versace sandals, Lorraine Schwartz rings and a VBH clutch.