Joe Jonas' Arms Look So Strong After a Workout!

Joe Jonas shows off his super buff arms while out and about on Friday afternoon (September 5) in New York City.

The 25-year-old singer grabbed a drink with a friend after a workout.

PHOTOS: Check out the latest pics of Joe Jonas

The night before, Joe met up with his younger brother Nick for a photo at the Richard Chai Love presentation during Mercedes-Benz Fashion Week Spring 2015 held at The Salon at Lincoln Center.

10+ pictures inside of Joe Jonas grabbing a healthy beverage in the big apple…