Soul diva Patti LaBelle enjoyed one of the longest-lived careers in contemporary music, notching hits in a variety of sounds ranging from girl group pop to space-age funk to lush ballads. Born Patricia Holt in Philadelphia on May 24, 1944, she grew up singing in a local Baptist choir, and in 1960 teamed with friend Cindy Birdsong to form a group called the Ordettes. A year later, following the additions of vocalists Nona Hendryx and Sarah Dash, the group was rechristened the Blue Belles; with...