"I wanted to put everybody's mind at ease," Parton said in her video.

I ain't dead yet," Parton, 79, said in the caption to an Instagram video. "Do I look sick to you? I'm working hard here," the "9 to 5" singer said with a smile from a set where she was filming commerc...

“Everyone thinks that I am sicker than I am. Do I look sick to you? I'm working hard here!