Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (we couldn't resist). Check out Britney Spears' rainbow mane, Gigi Hadid's dip-dyed ends, Katie Holmes' shoulder-grazing bob and these other major mane changes mane changes

CHRISSY TEIGEN

Normally everything Chrissy does on social media makes us LOL, but when the previously brunette model posted an Insta shot of her highlights, our reaction was to call our colorists and see when they could fit us in.