Get ready to pop some champagne, for Rob Kardashian has finally found happiness and is engaged to former Kardashian BFF Blac Chyna, or so their social media purports. Both lovers shared Instagram photos of Blac Chyna prominently displaying a giant diamond ring that is so large it does not pose a choking hazard to her three-year-old son, King. 

Rob's Instagram was a bit on the cryptic side.