Powell was born in Springfield, Massachusetts. A dancer since childhood, she was discovered at the age of 11 by the head of the Vaudeville Kiddie revue, Gus Edwards. When she was 17, she brought her graceful, athletic style to Broadway, where she starred in various revues and musicals. During this time, she was dubbed "the world's greatest tap dancer" due to her machine-gun footwork, and in the early 1930s appeared as a chorus girl in a couple of early, inconsequential musical films.manikiuras