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The 2009 Costume Institute Gala

The fashion was wild at this year's Costume Institute gala, honoring The Model as Muse exhibition. (What else to expect when fun-loving Marc Jacobs is at the helm?) Kate Moss, Kate Hudson, and Agyness Deyn were all golden girls in lamé, Cindy Crawford, Blake Lively, and Katy Perry chose oceanic shades of blue, and Rihanna and Lake Bell opted for menswear. Click on to see more of the red carpet trends.

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The 2009 Costume Institute Gala

Honorary Chair Marc Jacobs with co-host Kate Moss in a custom dress by the designer and Harry Winston jewelry.

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Vogue's Anna Wintour, in Chanel Haute Couture.

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Gisele Bündchen, in Versace.

Dimitrios Kambouris/FilmMagic

Victoria Beckham, in Marc Jacobs with Chopard jewelry and Louis Vuitton shoes.

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Madonna, in Louis Vuitton.

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Designer Donatella Versace with model Cindy Crawford, both in Versace.

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Co-host Justin Timberlake, in bespoke William Rast, with Jessica Biel, in Versace Atelier.

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Model Shalom Harlow

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Actress Anne Hathaway, in Marc Jacobs and Van Cleef & Arpels jewelry.

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Actresses Liv Tyler and Kate Hudson, with designer Stella McCartney, all in Stella McCartney.

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