For bouncy layers like Cheryl Cole's, start with damp hair and loosely dry it. Once strands are two-thirds dry, start working with 3-inch sections starting at the top, pulling them outward with a round brush as you sweep the dryer nozzle over the full length.
Boost volume by wrapping sections around velcro rollers, making sure to leave the largest ones for the crown. Enhance the set by applying a quick blast of direct heat to each roller.
After hair has cooled, remove rollers and brush through waves, then tease at the crown and sides to create height.Read MoreLess