Parties! The style, stars and scoop from Hollywood's hottest events

Gwen Stefani steamed up the red carpet at the Billboard Music Awards in a '50s-style sheath dress worn with a platinum pompadour. She later performed "Wind It Up"—a tune wholesomely inspired by The Sound of Music—in a micro-mini jumper that looked home-sewn by Maria. Her floor-shaking performance included wooden sheep, an oompah band and backup dancers in matching Von Trapp-style minidresses.