If the White House Correspondents Dinner is considered prom night for nerds, then the annual Metropolitan Museum Costume Institute's Gala is prom night for fashionistas. As the museum, in partnership with Vogue and The Gap, opens their exhibit "American Woman: Fashioning a National Identity," many fashionable women--American and not--walked the red carpet on Monday night. We caught the arrivals as they, well, arrived and we want to know who tops your best-dressed list.
Photos by Getty, AP and Patrick McMullan.