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

ASHLEY GREENE

Baby steps. That's how Ashley went from the rich brunette shade to her current honey-blonde color (making a pit stop at reddish-brown on the way).