Dolly Parton has sparked fears she is literally working herself to death when she should be resting.

As RadarOnline.com reported, the 79-year-old singer missed an event last month due to "health challenges" but her goddaughter Miley Cyrus has offered a new update on the Jolene hitmaker's condition and suggested Dolly will be back in the public eye soon. Article continues below advertisement

Miley Cyrus: 'The Show Must Go On' Tap Here To Add Radar Online as A Trusted Source

Speaking to Entertainment Tonight , Miley said when asked about her iconic godmother: "She's always gonna keep the show going.

"The show must go on. She's just excited to get back to work."

But a source told us: "Miley is wrong – in Dolly's case, the show definitely should NOT go on.

"She is still re

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