View image in fullscreenDolly Parton poses for a portrait in Tennessee, circa 1955Photograph: Michael Ochs Archives/Getty ImagesShareView image in fullscreenPorter Wagoner and Parton with their backup band, the Wagonmasters, circa 1968Photograph: Michael Ochs Archives/Getty ImagesShareView image in fullscreenParton and Porter Wagoner in Nashville, Tennessee, circa 1968Photograph: Michael Ochs Archives/Getty ImagesShareView image in fullscreenParton during an interview with Johnny Carson on The Tonight Show on 19 January 1977Photograph: NBC/NBCU Photo Bank/NBCUniversal/Getty ImagesShareView image in fullscreenParton and John Belushi hug at the