Television personalities Kim Kardashian, Kourtney Kardashian, Khloe Kardashian and Kris Jenner arrive at the grand opening of the Kardashian Khaos store in Las Vegas

Television personalities (L-R) Kim Kardashian, Kourtney Kardashian, Khloe Kardashian and Kris Jenner arrive at the grand opening of the Kardashian Khaos store at the Mirage Hotel and Casino in Las Vegas, Nevada December 15, 2011. REUTERS/Las Vegas Sun/Steve Marcus