A straight, long bob or "lob" with plenty of volume and angled bangs is equal parts sophisticated and youthful. Here's how to replicate the stylish 'do Reese Witherspoon sports at the "Water for Elephants" UK premiere.

Get her look: Apply mousse to damp hair, working from the roots to ends. Make a side part and blow-dry hair, lifting roots for added volume. Blow-dry bangs to one side using a round brush.