Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (sorry – we couldn't resist!). Check out Jessica Alba's chic new bob, Hilary Duff's blue mermaid hair, Lena Dunham's piecey pixie and these other major mane changes

DEMI LOVATO

At this point, nothing Demi does to her hair should surprise us. After dyeing it blue then pink, she broke out the buzzer and shaved a section of her head.