Case in point: Kim K rallied up sisters Kourtney, Khloe and Kylie to celebrate her 39th birthday in Palm Springs,California last weekend with several of their friends. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-d…","video_id":"df470934-fab0-4a4f-8323-bbb7cb720743","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"5 Picks From Lebanon Protests: Mia Khalifa Tears up & Drunk Nadine Elrassi "} And now nearly a week later, the birthday girl shared a photo on Instagram of the 12 ladies in a hotel room all decked out in her shapewear line ...