Sylvester Stallone and Dolly Parton starred in a movie together. Her presence in the film convinced him to take the part.

The country superstar has had additional success over the years thanks to her collaborations with classic rock bands and artists.

"Everybody thought I was nuts when I said I was going to do it," the country icon remembered in an interview. Continue ...

Review: Dolly Parton shares her life story, both the highs and the lows in "Dolly: A True Original Musical," which continues through Aug. 31 in Nashville.