Maggie Gyllenhaal: MET Ball 2010

Maggie Gyllenhaal wows the crowd as she arrives at the MET Ball held at the Metropolitan Museum of Art on Monday (May 3) in New York City.

The 32-year-old actress wore a gorgeous gown by Louis Vuitton.

The Costume Institute Gala Benefit celebrates the opening of the “American Woman: Fashioning a National Identity” exhibition. The event is hosted by Patrick Robinson of The Gap, co-hosted by Vogue editor Anna Wintour and talk show queen Oprah Winfrey.