Kourtney Kardashian & Kendall Jenner don Skimpy Bikinis as they hang out Poolside on Memorial Day Geraldine 7 years ago Kourtney Kardashian & Kendall Jenner don Skimpy Bikinis as they hang out Poolside on Memorial Day Kourtney Kardashian and Sister Kendall Jenner don Skimpy Bikinis as They hang out Poolside on Memorial Day – 2018.