VIDEO : Kourtney Kardashian Stuns in Pretty Little Black Dress, Plus: Her Date Night with BF Younes

Wednesday night Kourtney Kardashian celebrated her PrettyLittleThing collaboration in West Hollywood. The reality TV start showed up and showed out, stunning in a little black dress at The Poppy. Kardashian, and boyfriend Younes Bendjima hung out with little sister Kendall Jenner.