The sister of legendary country singer Dolly Parton has called for prayers after the music icon had to cancel shows due to health concerns.

The 9 to 5 singer said she was dealing with some health challenges on September 29, announcing the six shows had to be postponed.

Her younger sister Freida Parton said she "was up all night praying" for Dolly and that she hadn't been feeling her best lately.

"I have been lead [sic] to ask all of the world that loves her to be prayer warriors and pray with me," she said in a post to social media on October 8.

She said her sister was strong and loved, and "with all the prayers being lifted for her, I know in my heart she's going to be just fine".

Dolly Parton announced she needed to postpone the Las Vegas concerts in posts to social media, where

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