Flex zone.
Rich The Kid and Quavo go from skinny to swole real quick in their new music video.
Over at the gym, the two put in light work with dumbbells and gradually work their way up with the weight. As they rapidly get buff and into shape, run up the cycling machine, hit the punching bags, and put up tons of weight during dead lifts, back lats and the bench press.
Source: Rap Radar