Newly minted fitness fan Jelly Roll is half the man he used to be – the plus-size country crooner has lost almost 200 pounds , dropping from 540 to 357 pounds, RadarOnline.com can reveal.

The Son of a Sinner singer showed off his slimmed-down shape during a recent appearance at sports commentator Pat McAfee's Big Night AHT event in Pittsburgh . Article continues below advertisement

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"I'm gonna lose another 100 pounds and go skydiving with my wife in Sweden, baby," he told the cheering crowd.

Besides changing his diet, the 40-year-old has begun working out with a personal trainer, including running on a track, to get in shape.

"I've been really kicking a**, man. I'm doi

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