THE LOOK Glamorous yet playful waves HOW-TO To accentuate Oh’s naturally wavy hair, stylist Jenny Cho applied KMS California Curl Up Curling Balm and diffused the hair until it was dry. After misting with a sheer hairspray, she curled random pieces of the hair with a 1 ¼-inch curling iron to control the direction of the waves. INSIDER TRICK Combine a lightweight hair oil and molding cream. "I mixed them by rubbing my hands together, then raked my fingers through the hair to break up any too perfect curls," says Cho. BUY ONLINE NOW KMS California Curl Up Curling Balm, $19; drugstore.com.