Blac Chyna has nothing but love for ex-fiancé Rob Kardashian. Chyna, 37, took to Instagram on Tuesday, March 17, to mark the reality TV star's 39th birthday. "Happy Birthday @robkardashianofficial," the entrepreneur, who shares 9-year-old daughter Dream with Kardashian, wrote via her Instagram Stories. "You're the best dad to our baby girl, and I appreciate you more than words can say." (Chyna, whose real name is Angela White, is also mom to son King Cairo, 13, whom she shares with ex Tyga.