Kris Jenner has heartbreakingly announced that her sister Karen Houghton has passed away aged just 65. Breaking the news on social media, Kris shared a number of photos of her late sister, as she penned the caption: "It is with the heaviest heart and deepest sadness that I share that my sister Karen passed away yesterday unexpectedly. "My heart aches for my mom MJ and my niece Natalie and I pray that God guides us all through this difficult time.