Well if you didn't know Blac Chyna is the only one that can dog Rob Kardashian out. She was filmed recently coming to his defence when someone in a crowd yelled out "F*ck Rob" Check it out.
https://instagram.com/p/BXOU1sJg66X/
Blac Chyna Defends Rob Kardashian “Don’t talk about my Baby Daddy like that” (Video Inside)