Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (sorry, we couldn't resist). Check out Kim Kardashian-West's shoulder-grazing lob, Justin Bieber's dirty blond style, Olga Kurylenko's red-hot 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.