What's Her Best Hair?

See the stars' latest cuts and color changes – and then vote on which do suits them better. By Katherine Kluznik and Melissa Liebling-Goldberg

  • MARY-KATE OLSEN  photo | Mary-Kate Olsen

Credit: Charley Gallay/Getty; Dimitrios Kambouris/WireImage

Updated: Wednesday May 28, 2008 | 05:00 PM EDT

MARY-KATE OLSEN

The star ditches her signature tangled waves for a sleek and straight do at a party in N.Y.C.