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 Stephen Kunken as Journalist Craig Walker as Roadie Elan Moss-Bachrach as Pete Fairman Rachelle Wintzen as Girl Uncredited Kristen Bell voices Gossip Girl