Snooks spent her time in Sin City with boyfriend Jionni LaValle, and was heard on the red carpet at Pure telling one reporter "It’s our second time to Vegas together and we might be going to the chapel it’s that serious.” Thankfully, she was only joking.
Pauly D got to work at the Palms Casino Resort, where he was seen spinning at Ditch Friday at the Palms Pool & Bungalows and then at Rain Nightclub.
Back in California, there were a ton of celeb sightings at the Malibu Fair, including Nicole Richie and her adorable daughter Harlow, P!nk with her new baby, Tori Spelling and family and LeAnn Rimes with Eddie Cibrian's kids.
Hotties Kristin Cavallari and Stacey Keibler were spotted in L.A., relaxing poolside in bikinis.
Check out the gallery above for those shots, plus appearances from Diddy, Paris Hilton, Ciara, AnnaLynne McCord, Nicole Scherzinger and more!
Snooki hosts a Labor Day blowout bash at PURE Nightclub inside Caesars Palace with her boyfriend Jionni LaValle
Stacy Keibler shows off her bikini body by the pool
Nicole Richie and Harlow hit the beach in Malibu.
Kristin Cavallari shows off her bikini body by the pool in L.A.