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

DEMI LOVATO

Demi debuts a beach-ready blonde hue just in time for summer. But she doesn't stop there, also cutting off a few inches to complete her hair transformation.