It looks like rapper Tyga is happy for ex Blac Chyna and reality star Rob Kardashian! The rapper's former fiancée recently got engaged to her boyfriend of three months. yga and Blac have had an acrimonious relationship since their split, he insisted he only wants her and their son King Cairo, three, to be happy. Tyga took to Twitter writing, "Everybody deserves to be happy. What someone does for their happiness is not my concern, as long as it's not interfering with my happiness."