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

JESSICA ALBA

The actress is the latest star to jump on the bob bandwagon, leaving behind her long, honey-tinted locks for a much shorter do with a whole lot of texture.