Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (sorry – we couldn't resist!). Check out Jessica Alba's chic new bob, Hilary Duff's blue mermaid hair, Lena Dunham's piecey pixie and these other major mane changes

DEMI LOVATO

Demi debuts a beach-ready blonde hue just in time for summer. But she doesn't stop there, also cutting off a few inches to complete her hair transformation.