Hakkasan Las Vegas Restaurant And Nightclub Celebrates Two-Year Anniversary With Christina Aguilera [Getty Images]

LAS VEGAS, NV - APRIL 17: (EXCLUSIVE COVERAGE) Christina Aguilera and Matthew Rutler celebrate Hakkasan Las Vegas Restaurant And Nightclub Two-Year Anniversary at Hakkasan Nightclub on April 17, 2015 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage) — see more

LAS VEGAS, NV - APRIL 17: (EXCLUSIVE COVERAGE) Christina Aguilera and Matthew Rutler celebrate Hakkasan Las Vegas Restaurant And Nightclub Two-Year Anniversary at Hakkasan Nightclub on April 17, 2015 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)

WireImage Denise Truscello