Kate Bosworth - MET Costume Institute Gala 2009

Kate Bosworth (in Stella McCartney) hits the red carpet at the “Model as Muse: Embodying Fashion” Costume Institute Gala at The Metropolitan Museum of Art in New York City on Monday (May 4).

Joining the 26-year-old actress on the red carpet was designer Stella McCartney, Kate Hudson and Liv Tyler. Kate‘s boyfriend, model/musician James Rousseau (not pictured), wore Christopher Bailey‘s designs in Burberry.

Justin Timberlake, Kate Moss, Marc Jacobs and Anna Wintour will host the annual gala to raise money for the organization.