THE LOOK Shoulder-length waves HOW-TO Start with a styling cream on wet hair and blow-dry with a two-inch round brush. Use a small-barrel curling iron to wrap pieces vertically up to the chin. Finish with a light-hold hairspray. INSIDER TRICK "Put your hair on top of your head in a loose ponytail when you go to bed," says Donka Kuzmanovski of Chicago's Siren Salon. "It prevents hair from looking flat the next day." BUY ONLINE NOW Bumble & Bumble Styling Creme, $25; joybeauty.com.