“Jersey Shore: Family Reunion” cast members Nicole “Snooki” Polizzi, Deena Cortese, Jenni “JWoww” Farley, Angelina Pivarnick, Mike “The Situation” Sorrentino, Vinny Guadagnino and Paul “Pauly D” DelVecchio talk Sammi “Sweetheart” Giancola’s epic return to the show after 10 years and their “shook” reactions. Plus, hear Sammi’s comments on working again with ex-boyfriend and fellow cast