(L-R) Khloe Kardashian and Kourtney Kardashian and Rob Kardashian celebrate Kim Kardashian's birthday at TAO Nightclub at the Venetian on October 15, 2010 in Las Vegas, Nevada.
(L-R) Khloe Kardashian and Kourtney Kardashian and Rob Kardashian celebrate Kim Kardashian's birthday at TAO Nightclub at the Venetian on October 15, 2010 in Las Vegas, Nevada.