Who was a three-time Olympic Champion, that starred in the musical film "Sun Valley Serenade"?
At Last: "At Last" is a 1941 song written by Mack Gordon and Harry Warren for the musical film "Sun Valley Serenade" (1941), starring Sonja Henie and John Payne. Sonja Henie:  She was a three-time Olympic Champion (1928, 1932, 1936) in Ladies' Singles, a ten-time World Champion (1927–1936) and a six-time European Champion (1931–1936).
i don't know