Bar Refaeli - 2009 MET Costume Gala

Bar Refaeli is sexy in a Marchesa mini at the “Model as Muse: Embodying Fashion” Costume Institute Gala at The Metropolitan Museum of Art in New York City on Monday (May 4).

The 23-year-old Sports Illustrated cover model wore an asymmetric organza pleated strapless dress with embroidered detail by Marchesa.

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