Dolly Parton's sister says she has been "up all night praying" as the country superstar deals with unspecified health problems.
Freida Parton said her 79-year-old sibling "hasn't been feeling her best lately".
Last month Parton postponed a scheduled Las Vegas residency, citing "health challenges".
Parton had been due to perform six shows at The Colosseum at Caesars Palace for Dolly: Live in Las Vegas in December, but rescheduled for September 2026.
In a post on Facebook, Freida Parton said: "Last night, I was up all night praying for my sister, Dolly.
"Many of you know she hasn't been feeling her best lately. I truly believe in the power of prayer, and I have been lead to ask all of the world that loves her to be prayer warriors and pray with me.
"She's strong, she's loved, and with