LAS VEGAS, NV - MAY 25: Television personality Rob Kardashian arrives at 1 OAK Nightclub at The Mirage Hotel & Casino for a Memorial Day weekend celebration on May 25, 2013 in Las Vegas, Nevada. (Photo by Steven Lawton/WireImage)
LAS VEGAS, NV - MAY 25: Television personality Rob Kardashian arrives at 1 OAK Nightclub at The Mirage Hotel & Casino for a Memorial Day weekend celebration on May 25, 2013 in Las Vegas, Nevada. (Photo by Steven Lawton/WireImage)