The three Kardashian sisters, Kim, Kourtney and Khloe celebrated 31-year-old Kourtneys birthday at the MGM Grand Hotel in Las Vegas on Saturday. The three mega hot sisters all sported low-cut dresses of varying levels of absurdity as they did the traditional birthday trip down the press line. While our Kim clearly wins the competition, and you can see more of her here, she was followed closely by her sibling Khloe and Kourtney. 

Imagine if you were their dad? You’d spend the majority of your life in ultra protective mode, poking away Escalade driving sexual predators 24/7. Though to be fair, all three sister look like they could handle themselves in a fight. Imagine that, in slow motion, set to this…