PHOTOS: Heidi Klum Works the Runway at the Victoria's Secret Fashion Show

Heidi Klum surprised attendees at last night's Victoria's Secret fashion show at the Lexington Armory in NYC: While guests knew she'd be hosting the event, the hot mama ended up on the runway! Fergie and the Black Eyed Peas were also on hand to perform, while a dapper Jay-Z watched from the audience.