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

KIM KARDASHIAN

"She wanted to make a drastic change," Kim's colorist George Papanikolas told PEOPLE. And that's exactly what she got, leaving behind her chestnut locks for this honey-blonde ombré look.