Kim Kardashian mixes business with pleasure as host of the Three-O Vodka Bubble launch at Greenhouse in NYC on July 7, where she was joined by sister Khloe and Lance Bass.

Kim had a much more low-key outing recently with older sis Kourtney Kardashian.

CHECK OUT ALL 13 PICS OF KIM, KHLOE AND LANCE IN THE GALLERY!

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