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

EMMA STONE

Wonder if Andrew Garfield is getting jealous of all the time his girlfriend has been spending with her hairstylist. After leaving those Gwen Stacy blonde locks behind and returning to red, the actress chopped her tresses into an on-trend lob.