XS Nightclub kicked off their Sunday Night Swim grand opening with a special performance by electronic phenomenon Deadmau5. The superstar DJ returned after his highly anticipated performance at the XS 2 year anniversary in February to a sold out crowd for the Memorial Day weekend festivity. Fans and celebrities alike journeyed to the Wynn Las Vegas hot spot to take in the incredible energy and live performance.

In a VIP booth, Dancing with the Stars pros Maksim Chmerkovskiy and Cheryl Burke partied with close friends throughout the set, with Maks tweeting “WOW! Deadmau5 is destroying XS Las Vegas right now!!!”

Holly’s World stars Holly Madison, Angel Porrino and Josh Strickland were seen dancing on the stage, with the ladies sporting their glow in the dark Mau5-ears. Madison, in black leather mini-shorts and a cropped Britney Spears t-shirt, was spotted partying with Lindsey Evans, October 2009 Playboy Playmate and girlfriend of Deadmau5, into the early hours of the morning.

Photos by Danny Mahoney/XS Nightclub