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

HAYDEN PANETTIERE

We have to be blunt with Hayden: These are some very, very blunt bangs. The Nashville actress must have used a level to get thick fringe this straight.