"The Model As Muse: Embodying Fashion" Costume Institute Gala

(L-R) Actress Kate Hudson, designer Stella McCartney, actress Liv Tyler and actress Kate Bosworth attend "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City. Kate Hudson;Stella McCartney;Liv Tyler;Kate Bosworth

Singer Katy Perry attends "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City.

Amber Rose and musician Kanye West attend "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City.

Oluchi Onweagba attends "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City. (Photo by Stephen Lovekin/Getty Images) *** Local Caption *** Oluchi Onweagba

(L-R) Designer Michael Kors and model Lauren Hutton attend "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City.

Model Alek Wek attends "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009 in New York City.

Actress Leighton Meister attends "The Model as Muse: Embodying Fashion" Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009