Ashlee SimpsonTHE LOOK Edgy long layers HOW-TO Start by spray volumizing root lift to damp hair, says stylist Jamie Bakos. Blow dry hair upside down until completely dry. Using a flat iron, section off segments of hair and smooth out the ends. Add Osmo clay to the ends to make it edgy. INSIDER TRICK Blow dry bangs to the opposite side from how it is usually styled. BUY ONLINE NOW Osmo Essence Clay Wax; $14.79; sleekhair.com.