The premiere of Jersey Shore Family Vacation__ drew an impressive 3.6 million viewers and has already been renewed for a second season – in an interview with Life & Style, the "meatballs" Nicole "Snooki" Polizzi and Deena Cortese talk about their return to reality TV.

"Even though we're old, we can still have a good time," Deena 31, exclusively tells Life & Style. "We're still hot messes!" Snooki, 30, adds.

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Some things never change. But some do, and the ladies agree on which cast member has grown up the most since the original Jersey Shore premiered in 2009: Mike "The Situation" Sorrentino. "He's sober now," Deena says. "He's still a little cocky, but he's just a better person altogether." (Ronnie Ortiz-Magro has changed the least, they both note.)

Another thing that's different, Snooki says, is that as a mom in her 30s, day-drinking isn't really an option anymore. "If we drank all day then we'd have to sleep in all day to recover," she tells Life & Style. "The hangovers were the worst." And although it may be a slightly more sober version of the show, Deena promises that there's drama in "every episode!"

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"We really are family and sisters and brothers [now], so there were no boundaries," she explains to Life & Style. "We were able to just say what we wanted without worrying about if someone was never going to talk to us again."