On Friday night, Michael Phelps and Apolo Ohno made a late-night stop at Marquee Nightclub at Cosmopolitan of Las Vegas to take in the sounds of Gabriel and Dresden, who kicked off their 2012 Marquee residency with a special performance with JES.

On Friday night actresses Minka Kelly and Mandy Moore dined at Lavo at the Palazzo with UFC fighters Georges St-Pierre, Jon Fitch and Kenny Florian. The group enjoyed salmon, chicken parmigiano and pasta.

It was a family affair last night at Surrender Nightclub at Encore Las Vegas. Paris Hilton brought her parents Rick and Kathy Hilton to the upscale nightlife venue to check out a DJ set by Grammy-winning DJ/producer Afrojack, marking the heiress’ third visit to Surrender for an Afrojack set since Dec. 28.

Three decades after beginning its iconic journey of debauchery and decadence, Mötley Crüe debuted its first-ever hard rock residency: Mötley Crüe in Sin City at the Joint at the Hard Rock Hotel.

E! Entertainment reality starlet Laura Croft looked just like a princess, tiara and all, in a vintage-inspired turquoise and gold metallic dress with matching gold-glitter, peep-toe stilettos all designed by Betsey Johnson as she celebrated her birthday at Chateau Nightclub & Gardens inside Paris Las Vegas on Friday night.

UFC fighters dined at Brazilian steakhouse Fogo de Chão Friday night in support of the charity, It Ain’t Chemo.

On Thursday night, Cheryl Burke hosted Tao A Go Go, where 50 contestants competed for $15,000.

Last night at Terry Fator’s show at the Mirage, former Major League Baseball player and nine-time All Star Gary Sheffield stopped by to see the show. Sheffield is part of a team of former players filming a new television show called “The Players Club.”

Last night, Studio 54 at the MGM Grand brought back EDEN — its wildly popular industry night from the early 2000s.