Sylvia Syms (December 2, 1917 - May 10, 1992) was a Jewish American jazz singer. She was born Sylvia Blagman in Brooklyn, New York. As a child, she had polio. As a teenager, she went to jazz-oriented nightclubs on New York's 52nd Street, and received informal training from Billie Holiday. In 1941 she made her debut at a club called Billy's Stable. She was signed to a record company by Decca Records, having her major success with a recording of "I Could Have Danced All Night" in 1956. She died on stage at the Algonquin Hotel in New York City from a heart attack, aged 74.