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.

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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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