It’s obvious that Nick Jonas piled on tons of muscle over the past few years. His chest and arms are HUGE these days. Clearly he knows what he’s doing, right? Right. Check him out in a recent Instagram post finishing off his chest. As you can see he’s getting after it from every angle, maintains control the entire time, and squeezes at the top. Nice, Nick. Inspired to his the gym now? Force your chest to grow with this push and stretch workout.