Musician Dolly Parton attends a Taping of 'The Joan Rivers Show' on March 1, 1993 at CBS Broadcast Center in New York City, New York. (Photo by Ron Galella, Ltd./Ron Galella Collection via Getty Images)
Former duet partners, American singer-songwriter, actress, and businesswoman Dolly Parton and American country music singer Porter Wagoner (1927-2007), sing on stage circa 1990's at the Grand Ole Opry in Nashville, Tennessee. (Photo by Ron Davis/Getty Images)
