The star and her boyfriend celebrate their year together. Plus: Mary-Kate Olsen, Britney Spears and more
Updated: Monday Mar 07, 2005 | 06:00 AM EST
More from PEOPLE
See More News
1 of 13
All dolled up, The O.C. star Mischa Barton sparkles while out at Beverly Hills hot spot Koi on Thursday to celebrate her first anniversary with billionaire heir boyfriend Brandon Davis.
Copyright © 2013 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL