'Jersey Shore' cast members appear on ABC's 'Good Morning America' to promote their third season premiering tonight on MTV

Paul Delvecchio, Jenni Farley, Jersey Shore and MTV - Paul DelVecchio aka Pauly D, Ronnie Ortiz-Magro, Vinny Guadagnino, Jenni Farley aka Jwoww, Sammi Giancola aka Sweetheart and Deena Nicole Cortese Thursday 6th January 2011 at ABC New York City, USA (2 Pictures)