Her spokesperson Susan Granger confirmed the news to EW.
Just before beginning high school, Powell won a talent contest that landed her a seven-year contract with MGM.
She also sang at the inauguration ball for President Harry S. Truman in 1949.

Jane Powell.Silver Screen Collection/Getty Images
The Stanley Donen film featured Powell as Astaire’s sister, mimicking his own start in show business.
Her character would fall in love with an English actor while performing overseas with her brother.
One of her last great roles, a rare dramatic part, came in 1958’sThe Female Animal.
She made her Broadway debut in 1973 as the title character inIrene, taking over for Debbie Reynolds.
Powell maintained a close relationship with Turner Classic Movies, as a friend of original prime-time host Robert Osborne.