What's Her Best Hair?

See the stars' latest cuts and color changes – and then vote on which do suits Hayden, Emma and more

Credit: Theo Wargo/WireImage; Albert Michael/Startraks

Updated: Thursday Nov 19, 2009 | 06:00 AM EST By: Katherine Kluznik Rentmeester

ALI LARTER

The Heroes star trades the blonde hair that made her famous for fiery auburn locks.