Rob Kardashian & Blac Chyna Are Engaged! 10 Photos of the Happy Couple

5) Rob is Losing Weight                                                                         (5 of 10)

5) Rob is Losing Weight                                                                         (5 of 10)

During his time away from the limelight, Rob Kardashian put on some weight and received a surprising diagnosis of diabetes. Blac Chyna connected Rob with a personal trainer and has been helping him making healthy dietary and lifestyle choices.