“Jersey Shore” Season 3 Trailer Offers First Glimpse Of New Castmember

DVR Alert! Jersey Shore returns to MTV for a third season of debauchery, Jello-shots, and drunken hookups Jan. 6 @ 10 PM. Oh — and the new season will serve as the introduction to a new liquor-lovin’ guidette — Snooki’s pal Deena Nicole Cortese. Here’s a preview….