Guest Stars Connor Paolo as Eric van der Woodsen Michelle Trachtenberg as Georgina Sparks Sebastian Stan as Carter Baizen Chris Riggi as Scott Rosson JoAnna Garcia Swisher as Bree Buckley Katrina Begin as Aubrey Co Starring Anne Torsiglieri as Renee Rosson Meghann Fahy as Devyn Chriselle Almeida as NYU Student Aide Andrew Rein as Hotel Manager Sean MacPherson as Himself David Redden as Sotheby's Auctioneer Uncredited Kristen Bell voices Gossip Girl