VIDEO : Blac Chyna Talks About Her Relationship With Rob Kardashian

Blac Chyna is opening up about her relationship with Rob Kardashian. The Rob & Chyna star is on the cover of April's Cosmopolitan South Africa, and we have the exclusive first look at her photo spread. Inside the magazine, Chyna reveals how she and Rob went from friends to something more. "It was a shock," she admits. "I guess when you get to know somebody and you're around them, you see things in them ? and you want to be more than just friends.