Keeping Up with the Kardashians Rob Kardashian reveals he weighs 248 pounds, agrees to Blac Chyna fitness boot camp to reach goal weight 04/07/2016 Rob Kardashian is apparently getting whipped into shape, and fiancee Blac Chyna is the one cracking the whip. Read More RELATED NEWS Kim Kardashian reveals if she wants to get married again or have more kidsKim Kardashian celebrates her 42nd birthdayKanye West apologizes to Kim Kardashian for "any stress" caused TAGS: Kris Jenner Rob Kardashian Blac Chyna