Global megastars Dolly Parton and Kelly Clarkson are working' "9 to 5" together.

Revamped version of the classic 1980 single was recorded for the upcoming documentary Still Working 9 to 5

The country music star and the three-time Grammy winner released their awaited duet of Parton's 1980 hit song on Sept.

Still Working 9 To 5 arrives in theaters on September 16.

Still Working 9 To 5 arrives in theaters on September 16.

“I am so honored that Dolly asked me to reimagine this iconic song, ‘9 to 5,’ with her!” Clarkson says.

"Nobody sings like Kelly Clarkson. She makes any song come alive. said Dolly Parton

Clarkson also paid tribute to Parton at the Academy of Country Music Awards in March, performing her hit "I Will Always Love You."

This documentary shows that the struggle continues and that we all need to do our part to help make things better for everybody.” said Dolly Parton

The film explores the cultural impact of the 1980 comedy "9 to 5," in which Parton, Jane Fonda and Lily Tomlin starred.