Get Hollywood Hair

THE LOOK Thick, bouncy waves
HOW-TO Air-dry hair and once it's almost completely dry, blowout with a round brush. Curl sections with a one-inch iron and hold for 15 seconds to lock in the wave.
INSIDER TRICK Prevent tips from drying out by applying a silicone-based serum on the ends.
BUY ONLINE NOW BioInfusion Smoothing Serum, $15; walgreens.com.

Try on Christina's hair now!