Photos: Rob Kardashian reveals slimmer frame on outing with Blac Chyna

 Rob revealed a slimmed-down frame in a blue T-shirt and black tracksuit bottoms, paired with matching trainers and an LA Dodgers baseball cap, while out with Blac Chyna. Blac was spotted dropping Rob off at an office building, and the reality star couldn’t stop grinning as he bid her farewell. More photos as you continue :