Reese Witherspoon and Dolly Parton

Dolly Parton will star in movie version of her new book produced by Reese Witherspoon

Kelly Clarkson and Dolly Parton

Watch Kelly Clarkson's incredible cover of Dolly Parton's 'I Will Always Love You'

Dolly Parton "cried all night" after rejecting Elvis Presley's bid to sing 'I Will Always Love You'

Dolly Parton "cried all night" after rejecting Elvis Presley's bid to sing 'I Will Always Love You'

Dolly Parton and Kelly Clarkson have revamped the iconic song '9 To 5'. Photo: Adam Christopher/NBCUniversal

Dolly Parton and Kelly Clarkson team up for new "haunting" version of '9 To 5'

Lionel Richie, Dolly Parton, Duran Duran

Dolly Parton, Lionel Richie and Duran Duran nominated for the Rock and Roll Hall of Fame

Country music legends is still making new music well into the 7th decade of her storied career. (Photo by: Christine-Marie Liwag Dixon)

Dolly Parton unveils new song 'Big Dreams and Faded Jeans' from her upcoming album

Dolly Parton shares rare and magnificent throwback photo with husband Carl Dean

Dolly Parton shares rare and magnificent throwback photo with husband Carl Dean

Dolly Parton Whitney Houston smiling close up

How Dolly Parton was inspired by Whitney Houston when she spent ‘I Will Always Love You’ royalties

The Story of... 'I Will Always Love You'

The Story of... 'I Will Always Love You' by Whitney Houston

See Dolly Parton and Sylvester Stallone's sizzling chemistry in this unearthed interview clip from 1984

See Dolly Parton and Sylvester Stallone's sizzling chemistry in this unearthed interview clip from 1984

Dolly Parton recreates iconic Playboy shoot at 75 for husband Carl's birthday, and shares glimpse of partner too

Dolly Parton recreates iconic Playboy shoot for husband Carl's birthday, and shares rare glimpse of partner

High school headmaster Marcus Gause has sung a a jaw-dropping version of 'I Will Always Love You' to his graduating pupils.

Headmaster stuns pupils with flawless performance of 'I Will Always Love You' at graduation

Dolly Parton and Patti LaBelle playing 'Shortin' Bread' on their fingernails

This video of Dolly Parton and Patti LaBelle playing music with their nails is spellbinding

Dolly Parton was on stage in 1983 when she started telling the audience a story of how she used to do Elvis impressions when she was a child.

When Dolly Parton did an exquisite impression of Elvis Presley as a woman

Dolly Parton stunned Irish locals in 1990 by agreeing to perform her hit song 'Coat Of Many Colours' in a crowded pub.

When Dolly Parton gave a rousing impromptu performance in an Irish pub

Dolly Parton

Dolly Parton's 10 best songs ever, ranked