DJ Zedd performed for guests including Gabrielle Union and Jack Osbourne & wife Lisa Steely at the opening of Light Nightclub at Mandalay Bay on May 24, 2013 in Las Vegas, Nevada (Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net).

Jack Osbourne and wife Lisa Steely attend Light Nightclub in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

DJ Zedd performs at opening of Light Nightclub in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

DJ Zedd performs at opening of Light Nightclub in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

DJ Zedd at opening of Light Nightclub in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Opening of Light Nightclub at Mandalay Bay in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Opening of Light Nightclub at Mandalay Bay in Las Vegas
Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.