He's the famous brother of Kim, Kourtney and Khloé. She's a high-profile model, music video performer and entrepreneur. Since they began dating in early 2016, their budding romance has made headlines around the world. Now, Rob Kardashian and Black Chyna are engaged, expecting their first child, and offering viewers a look inside their relationship in a revealing docuseries. "Rob & Chyna" follows the celebrity couple as they begin their life together and get ready to welcome a new addition to the Kardashian family.