Lance Bass and Farrah Abraham headline the weekend in Las Vegas

Lance Bass, former singer of the pop band NSYNC, hosted the Us Weekly party Saturday at Foxtail Pool Club at SLS Las Vegas to celebrate the magazine’s new Hot Bodies issue.

The pop star partied with his crew, including his husband Michael Turchin, inside a VIP cabana.

Reality television stars came out to help one of their own celebrate a birthday. Farrah Abraham, who starred on “16 and Pregnant” and later “Teen Mom,” celebrated her 24th birthday at Ditch Fridays at the Palms Pool & Dayclub on Friday afternoon.

Paul DelVecchio, aka DJ Pauly D, formerly of MTV’s “Jersey Shore,” Mikey P of VH1’s “Dating Naked” and Chumlee from the History Channel’s “Pawn Stars” were all on hand to help the actress celebrate her birthday two days early.

Abraham wore a Kate Swim bikini while she partied in a VIP cabana at the resort.

Over at Encore Beach Club at Encore Las Vegas, rapper Eve headed backstage behind the DJ booth where Zedd was spinning on Saturday afternoon. Also on hand, Christopher “Big Black” Boykin from MTV’s “Big & Rob Show,” sporadically danced on stage and retired NBA All-Star Steve Nash celebrated a friend’s bachelor party.