If the guest book at Shrek the Musical keeps racking up the celebrity autographs, the cast could make a pretty penny with it on eBay one of these days. After holding court with Steven Spielberg, Hugh Jackman, Mike Myers, Chris Rock and Vanessa Williams, the show got another nifty visitor on March 20 – Catherine Zeta-Jones! The woman who won an Oscar for playing Velma Kelly in the movie version of Chicago took in a matinee performance with her two children, Carys and Dylan, before bringing them backstage to meet the cast, including the lovable ol’ ogre himself, known in the real world as Brian d’Arcy James. Click on to see more of Catherine Zeta-Jones and her clan go behind-the-scenes at the Broadway Theatre!