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

COCO ROCHA

Next time your hairstylist says, "Can I get you anything? Water? Coffee? Tea? Coco?" be careful how you answer since The Coco refers to the supermodel who just lobbed off lots of length, resulting in a funky pixie.