Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (we couldn't resist). Check out Kate Mara's piecey pixie, Britney Spears's bangin' new do, Kelly Ripa's hot-pink hue and these other major mane changes

NICOLE RICHIE

Nicole tested the (purple) waters by posting a digitally enhanced Insta that made her dirty-blonde strands look purple. The nearly 100,000 likes must have convinced her to do it for real.