LAS VEGAS - OCTOBER 15: (L-R) Rob Kardashian, Kim Dsrdashian and Khloe Kardashian celebrate Kim Kardashian's birthday at TAO Nightclub at the Venetian on October 15, 2010 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LAS VEGAS - OCTOBER 15: (L-R) Rob Kardashian, Kim Dsrdashian and Khloe Kardashian celebrate Kim Kardashian's birthday at TAO Nightclub at the Venetian on October 15, 2010 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)