photo courtesy of mtv,com 'Jersey Shore: Family Vacation' is back for part two of round three and it is even more explosive than before. Snooki will be leaving, this we know, but not before she helps throw Angelina an epic bachelorette party and ruins her wedding all in a blink of an eye. Add Mike "The Situation" back into the mix and you never know what will happen. Here is the sneak preview of the series, returning the end of this month.