Well, ALMOST all of them!!
Most of the cast of 'Jersey Shore' reunited to help celebrate Sammi's birthday bash, and we've got some photos from the bash.
Snooki, Jenni (with hubby Roger), Vinny and Deena (with fiance Christopher) attended a club in NYC to help celebrate Sammi's 30th birthday bash.
Absent were Mike 'The Situation' Sorrentino as well as Sammi's off/on/off/on/off boyfriend Ronnie and DJ Pauly D.
Check out more photos below: