Girly chin-length bobs look sophisticated and grown-up when you keep it sleek and parted to the side like Carey Mulligan -- a sweet-meets-elegant style that's versatile for just about any occasion.

Get her look: Brush towel-dried hair to one side and blow-dry sections straight. Flat-iron any unruly strands if needed. Spritz the brush with hairspray, then smooth over hair, pushing the front pieces behind the ears.