Which Jersey Shore Star Is Older: Sammi or Deena? 1 of 2 Previous Autoplay Next Share Tweet December 4, 2012 at 03:28PM EST by Wetpaint Staff Related: Jersey Shore, Deena Nicole Cortese, Sammi "Sweetheart" Giancola, TV Stars full size Credit: MTV Which Jersey Shore Star Is Older: Sammi or Deena? Sammi and Deena Nicole are Jersey Shore BFFs, but it seems like Sammi's normally the responsible one in the pair. Is that because wisdom comes with age? Click on to the next slide to find out which of these reality stars is older.