Snooki wasn't the only member of the "Jersey Shore" cast who experienced major transformation. Deena Nicole Cortese appeared to be sporting a brand-new face by mid-2012. While some critics cried "plastic surgery," Deena, who's been open about her pre-"Jersey Shore" nose job, took to Twitter to explain her new look. The source? Her dramatic weight loss (she even posed for a tabloid in a "Baywatch" bikini!), dental work, thinner eyebrows, and learning how to do her makeup.