Happy Birthday Kim!

Saturday night Kim Kardashian celebrated her 31st birthday at Marquee Nightclub inside The Cosmopolitan of Las Vegas. The birthday girl was joined by new husband Kris Humphries, her sister Khloe and her husband Lamar Odom, mom Kris Jenner and Kim's  former Dancing with the Stars partner Mark Ballas. Kim was thrilled with her birthday cake from Gimme Some Sugar, which depicted the happy couple in a white Ferrari with a custom Kardashian logo on the car.