Perez Hilton's Birthday Bash
Singer Christina Aguilera, third from left, and Perez Hilton, second from right, pose with backup dancers at Hilton's 31st birthday bash in West Hollywood, Calif. on Saturday, March 28, 2009. Aguilera surprised the blogger by singing a rendition of "Happy Birthday" at the party.
Author: CBS News Staff
Credit: AP Photo/Matt Sayles
