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

JULIANNE MOORE

There was a collective sigh heard 'round the PEOPLE offices when the redhead ditched her signature fiery shade for this allover dye job. But the actress's venture into blonde territory is for an upcoming role in the new flick Maps to the Stars, so it's likely temporary (phew).