Joe Jonas strips down to his underwear for new GUESS campaign

Joe Jonas is the new face (and body) of GUESS' Spring 2017 underwear campaign.  The frontman for the band DNCE stripped down to his underwear with model Charlotte McKinney, 23,  for the new campaign.

“It feels great to be chosen by Paul Marciano (Chief Creative Officer & Executive Chairman) as the male global ambassador for the new GUESS Underwear campaign with a focus on the GUESS man. I am excited to be part of this amazing experience and to be able to represent the brand’s image,” said Joe, as reported by Billboard.

Joe first revealed his participation in the campaign in a tweet last Wednesday, Jan. 11th.  He continues to tweet pictures from the campaign every day.

Jonas, 27, exudes confidence in the photoshoot.  However, he admits he was anxious to bare it all for the camera.

"It can be a weird thing to be sitting there in your underwear being photographed, but overall I had a blast. Everybody on set was great," said Joe via E! News.

The former Jonas Brother dieted and trained hard for the shoot.  He followed a strict exercise routine that included "a lot of" cardio and boxing, confessing that his trainer "put him through the ringer."  All of his hard work is evident in the photos.

Jonas is wearing underwear from GUESS' new "Hero" line, which is set to hit stores in February.

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