Spears rings in the New Year in Sin City. Plus: Hilary Duff, Mandy & Wilmer and more
Updated: Monday Jan 01, 2007 | 06:00 AM EST
More from PEOPLE
See More News
4 of 11
Mary-Kate Olsen takes her recent platinum locks back to their honey-blonde roots in Los Angeles, where she debuted her toned-down look during a Thursday shopping excursion on Melrose Avenue.
Copyright © 2013 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL