Having a newborn isn't stopping Kim Kardashian from going to nightclubs. The reality star celebrated her 33rd birthday with her family at Tao Nightclub inside the Venetian Hotel and Casino in Las Vegas, Nevada, on Friday night.

The newly engaged mom appears to enjoy wearing white these days. She stepped out in a form fitting lace cocktail dress that showed off her ample cleavage.

By her side were her mother and sisters. Khloe opted for a little black dress with thigh-high boots, while Kourtney bared her midriff in a leather skirt/black blouse ensemble.

Kim's official birthday fell on Monday, and her rapper boyfriend Kanye West gave her an over-the-top proposal by renting out San Francisco's AT&T baseball stadium and giving her a 15-carat diamond ring in front of their closest friends and family.