VIDEO : Kylie Jenner Angry Rob Kardashian is Dating Blac Chyna

Kylie Jenner spoke up about Rob Kardashian?s new romance and let?s just say she isn?t having it! Speaking with People, a source said the young reality star is ?Livid. On Monday, January 25, Blac Chyna posted an Instagram photo featuring a tattooed arm wrapped around her, the arm of Rob Kardashian. And if that isn?t enough to make this budding relationship a problem, Chyna once was a close friend of Kim Kardashian?s, but that friendship mysteriously ended.