What's Her Best Hair?

See the stars' latest cuts and color changes – and then vote on which do suits them

  • BRITNEY SPEARS photo | Britney Spears

Credit: Jason Merritt/Getty; Kevin Mazur/WireImage

Updated: Monday Mar 01, 2010 | 06:00 AM EST By: Katherine Kluznik Rentmeester

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BRITNEY SPEARS

The singer takes a walk on the dark side, trading her Barbie-blonde locks for raven waves at the Grammys.