The reality stars played host to a traditional Labor Day BBQ with some of their celebrity friends like and the Simihaze sisters.

Party time: Kim Kardashian gave her 116million Instagram followers a look at the food preparations for their Labor Day party on Monday

Getting their hands dirty: Sisters Kourtney, Kendall and one of the DJ SimiHaze sisters inspected Kourt's dish as Kim filmed

Revealing: All of the ladies showed major midriff in their stylish outfits