Tuesday, October 4, 2011 - Kristin Cavallari and J.R. Martinez party at Ubisoft's 'Just Dance Three' Launch at The Beverly, following Kristin's elimination from "Dancing With the Stars." J.R. gives Kristin a big hug, and "The Hills" hottie told photogs, "I'm sad!" We also spotted Jennifer Love Hewitt's ex Jamie Kennedy filling up on hors d'oeuvres.