India, Aug. 16 -- Hundreds of fans who gathered at the Dollywood theme park of singer Dolly Parton in Pigeon Forge, Tennessee for the unveiling of a new $50 million roller coaster left the event with concern for the singer.

Parton was scheduled to appear for the opening at Dollywood, and hundreds of fans had gathered to catch a glimpse of the star - given that her public appearances are becoming rarer with age. Instead, a video message from Parton was played in which she said her doctor had asked her to skip the event due to ongoing health issues.

"Now I've told you before, all my fans, that I have had a few little health issues, and sometimes I get a little dizzy, and I get dehydrated," Dolly Parton said in the video.

"Now I'm dehydra...