Celeb Hair Makeovers: Better Before or After?

A trim or some highlights is way too basic for these stars. Check out Anna Paquin's bold new hue, Kristen Stewart's big chop and other major celeb hair changes

KATY PERRY

“SLIME GREEN FOR SPRING,” the singer captioned the photo of her new mane change. While we certainly would not have predicted this as one of the hot colors for the season, the hair chameleon dip-dyed her dark do with help from friends at the Chris McMillan Salon.