THE LOOK Layered bob HOW-TO Hairstylist Dante Blandshaw of Warren Tricomi applied a leave-in conditioner to Henson's clean hair. “To make hair really straight, I blew her hair dry, then followed up with a flatiron” says Blandshaw. He finished by parting it low and on the side, bending the ends slightly with a 2-inch barrel curling iron, and using a silicone based serum for shine. INSIDER TRICK "Blow dry hair with the ceramic comb attachment to get it as straight as possible,” says Blandshaw. BUY ONLINE NOW Redken Glass 01 Smoothing Serum, $18, folica.com.