Kardashian sisters always showing up and supporting one another whether it’s being a shoulder to lean on or wearing and posting about each other’s brands. Kourtney Kardashian and younger sister Kylie Jenner both showed their support yesterday for sister Kim ’s shapewear line, SKIMS.A post shared by SKIMS (@skims)On Wednesday, Kourtney posted a photo to her Instagram that left very little to the imagination.