Dolly Parton has sparked fresh health fears after she abruptly cancelled an appearance, citing doctors' orders – and then her sister fueled panic by requesting "prayers" for the country music superstar as she suffered from painful kidney stones.

The Jolene hitmaker is no stranger to health challenges and has a history of kidney stones. So much so, her inner circle believed her intense abdominal pains were being caused by a "far more serious condition," RadarOnline.com can reveal. Article continues below advertisement

Dolly Parton's Secret Hospitalization Tap Here To Add Radar Online as A Trusted Source

While Parton, 79, has had a strong music career for decades, the same sadly couldn't be said for her petite frame.

She was diagnosed with endometriosis after experiencing excr

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