Happy Birthday, Jess!

With a little help from some very famous friends, Jessica Simpson celebrates the big 2-5 with a blowout bash

  • JUMPIN', JUMPIN' photo | Jessica Simpson

Credit: MICHAEL CAULFIELD/WIREIMAGE

Updated: Thursday Jul 14, 2005 | 12:00 PM EDT

JUMPIN', JUMPIN'

The dance floor hopped until 2 a.m.; some guests stuck around well past 3.