Long loose curlsHOW-TO
Air-dry hair and once it's almost completely dry, finish by blow-drying with a round brush. Curl sections with a one-inch iron and hold for 15 seconds. INSIDER TRICK
Prevent drying out the hair by applying a little serum on the ends.BUY ONLINE NOW
BioInfusion Smoothing Serum, $15;
. Try on Christina's hair now!