Dolly Parton grew up dirt-poor to a loving family ... Her mother, Cissy, was a Grammy-winning gospel artist, her first cousin was Dionne Warwick, and her distant cousin was opera legend Leontyne ...

Parton, known for her country-pop and gospel roots, seems like an unlikely ... this collab is going to be fire! Sabrina and Dolly together? Can't wait to hear it!” — to some questioning ...