Case in point:
A photo posted by Khloé (@khloekardashian) on Nov 11, 2014 at 2:24pm PST
And of course Kanye was there (and French Montana with the ill photobomb):
Kuva, jonka Kim Kardashian West (@kimkardashian) julkaisi laitteella Marras 11, 2014 at 11:52 PST
And while most of the world followed the night's events via Instagram, Rae Sremmurd showed up to perform their hit single "No Flex Zone" for the birthday girl. Complete with a cameo from Kylie Jenner, watch a clip of the performance above.
Remember, the Kardashian-Jenners throw the best parties on the planet, and this is just more proof of that.