United Kingdom, May 4 -- Dolly Parton has cancelled her Las Vegas residency amid ongoing health issues.

The 80-year-old country music icon has taken to social media to announce the cancellation of her Las Vegas residency, but Dolly has reassured fans that she's on the mend.

The 9 to 5 hitmaker - who lost her husband, Carl Dean, last year - said on Instagram: "Well, hey there, it's Dolly, and I'm here to give you an update on a few things going on in my life.

"First, it's concerning my health - and I have some good news and a little bad news. But the good news is I'm responding really well to meds and treatments, and I'm improving every day.

"Now, the bad news is that it's gonna take me a little while before I'm up to stage performance...