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

Mike Sorrentino, Jenni Farley, Jersey Shore, MTV and Paul Delvecchio - Mike Sorrentino aka The Situation, 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 (8 Pictures)