Joe Jonas Shows His Muscles in a Tank Top!

Joe Jonas is working on his fitness!

The 27-year-old DNCE singer and entertainer was seen jogging around on Sunday (March 19) in Miami, Fla. Joe was putting his arm muscles on display in a tank top while workout out on his day off.

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“Next stop… South Korea,” Joe posted on Twitter. In a few days, DNCE will be performing for a packed crowd in Seoul, South Korea. Joe and DNCE will then head off to Japan for another show.