The beloved country music icon Dolly Parton passed away on Tuesday at the age of 80, TMZ has confirmed. Dolly's nephew Brian Seaver made the announcement on the singer's official Instagram. 

No official cause of death was revealed, but it is believed she had been dealing with serious health issues over the past year. 

Dolly sold over 100 million records over the decades and was the voice behind timeless hits like '9 to 5' and 'Jolene'.