THE LOOK Shoulder-length waves and swooped bangs HOW-TO Rub styling mousse through wet hair and blow-dry with a diffuser. Use a curling iron on certain sections, but not the entire head. INSIDER TRICK "Always use less product on the hair at first to see how it works for you," says stylist Marco Maranghello. "Especially if your hair is short like Kirsten's." BUY ONLINE NOW Got2B Kinky Curling Mousse, $6; drugstore.com.