2010 Met Gala: Fashion's Biggest Party!

Hollywood's hottest stars – from Justin Timberlake and Jessica Biel to reunited flames Sienna Miller and Jude Law – celebrate the Metropolitan Museum Costume Institute's "American Woman: Fashioning a National Identity" in romantic, glamorous and daring looks

RACHEL BILSON

Arriving with fiancé Hayden Christensen, Bilson is '50s sweet in head-to-toe Louis Vuitton.