The Kardashian Klan showed up in force to celebrate twin sisters Malika and Khadijah Haqq's 40th birthday bash in stormy L.A. Friday night ... but the rain didn't seem to dampen the mood.
Kim, Khloe, Kylie and Kris Jenner all showed up at The Nice Guy restaurant in WeHo for their longtime friends' soiree, which was busting at the seams with celebs.
Among the guests .