Guest Stars Robert John Burke as Bart Bass Michelle Trachtenberg as Georgina Sparks Lisa Loeb as Herself Co Starring Zuzanna Szadkowski as Dorota Kishlovsky Robert Sella as Claude Elan Moss-Bachrach as Pete Fairman Craig Walker as Roadie Stephen Kunken as Journalist Rachelle Wintzen as Girl Uncredited Kristen Bell voices Gossip Girl