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

KIM KARDASHIAN

"She wanted to make a drastic change," Kim's colorist George Papanikolas told PEOPLE. And that's exactly what she got, leaving behind her chestnut locks for this honey-blonde ombré look.