“Nobody knows Dolly like Dolly,” declares Dolly Parton. Dolly’s is a rags-to-riches tale like no other. A dirt-poor Smoky Mountain childhood paved the way for the buxom blonde butterfly’s metamorphosis from singer-songwriter to international music superstar. The undisputed “Queen of Country Music,” Dolly has sold more than 100 million records worldwide and has conquered just about every facet of the entertainment industry: music, film,...