Best Celebrity Pictures Week of December 29, 2011

Christmas brought tons of family fun for our favorite celebrities. Kate Middleton had her very first holiday with the royal family in England, while Rachel Zoe was in a totally different climate for a St. Barts getaway with her main men, Skyler and Rodger Berman. Jessica Simpson prepped for her last Dec. 25 before her baby arrives and Penn Badgley showed he's thankful for a new love with Zoe Kravitz. There was so much more going on — click through to see the best photos from the past week!