Pump up the volume like Claire Danes, Carey Mulligan, and Elizabeth Banks. The extra height at the crown gives a retro feel to sleek updos, and is a fun way to change up a pixie cut. "Add mousse to damp hair, and blow dry the side portions away from your face," said Mulligan's hairstylist Jenny Cho. "Use a medium round brush to blow dry the top, also brushing away from the face. Directing the hair upward creates height."