StyleWatchCostume Institute Gala: See the Dresses!

J.Lo, Renée and a pregnant Naomi Watts wow the NYC crowd. By Andrea DeSimone

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JENNIFER LOPEZ

The singer was '40s glam in a long silver beaded Marchesa dress with Roger Vivier clutch.

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Jennifer Lopez

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Credit: Gilbert Flores/Celebrity Photo

Updated: Tuesday May 08, 2007 | 01:00 PM EDT

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