Superstar Singer Ke$ha Gives A Special Labor Day Weekend Performance At 1 OAK Nightclub At The Mirage [Getty Images]

LAS VEGAS, NV - SEPTEMBER 01: Singer Ke$ha arrives at 1 OAK Nightclub at The Mirage Hotel & Casino to perform at a Labor Day weekend party on September 1, 2013 in Las Vegas, Nevada. (Photo by David Becker/WireImage)

WireImage David Becker