The cast of Jersey Shore began filming season 2 of their reunion series, Jersey Shore: Family Vacation, in Las Vegas, Us Weekly confirms. Like season 1 in Miami, Nicole ?Snooki? Polizzi, Jenni ?JWoww? Farley, Mike ?The Situation? Sorrentino, DJ Pauly D, Vinny Guadagnino, Ronnie Ortiz-Magro and Deena Nicole Cortese will be staying at a rented house instead of a hotel.