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

NICOLE KIDMAN

The commenters are totally divided on Nicole going over to the dark side (for an upcoming movie), so let's put the color change to a vote.