Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (we couldn't resist). Check out Julianne Hough's fresh blonde tresses, Hilary Duff's new gray hue, Christina Aguilera's shoulder-grazing lob 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.