TV personality Rob Kardashian is "happy" that his fiancee Blac Chyna and half-sister Kylie Jenner have finally ended their feud.. Kylie is currently dating Chyna's former fiance Tyga, with whom she has three-year-old son King Cairo. . But Rob is now thrilled that they have decided to bury the hatchet and become friends, reports femalefirst.co.uk.. He took to Instagram to upload an image of the former arch-enemies posing for a photograph together.. "So happy my girls finally got to talk and make peace! My family. All love,” he captioned the image.