Get 30 Days Free of PEOPLE
From Nikki Reed and Denzel Washington to Jackie Chan, see how the birthday boy hangs with the A-list from coast to coast
Credit: Michael Caulfield/WireImage
Updated: Friday Jul 08, 2011 | 06:00 AM EDT
By: Kiran Hefa
More from PEOPLE
See More News
5 of 13
The singer playfully spars with the Karate Kid at the June 7 afterparty for his 2010 film in Westwood, Calif.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL