What's Her Best Hair?

See the stars' latest cuts and color changes – and then vote on which hairstyle suits Cameron Diaz, Kim Kardashian and more

  • KATY PERRY photo | Katy Perry

Credit: Jeff Kravitz/Filmmagic; Benkey/AFF-USA

Updated: Wednesday Jan 04, 2012 | 01:30 PM EST By: Justine Harman

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KATY PERRY

After sporting shoulder-length lavender locks for months, the singer chops her mane and goes back to a slightly more traditional California Gurl hue – blonde with a hint of pinkish-purple.