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 HOUGH

The Dancing With the Stars judge shocked us all when she went pastel pink (for a good cause!), but it seems the unicorn-inspired hue was only temporary, as she's back to her (very) blonde roots. But since she's mentioned she loves experimenting with her do, who knows what she'll do next?