She also had a successful and lucrative career as a concert singer, which continued until her retirement from performance in 1973. From 1935 to 1937, she made three musical films for RKO Pictures. She also made numerous appearances on radio and on television, performing on variety programs such as "The Ed Sullivan Show", "The Colgate Comedy Hour", and "The Dave Garroway Show". In 1955, she topped the bill for the first broadcast of what became an iconic television series, "Sunday Night at the London Palladium". She made dozens of records, recording both classical and popular music. She was awarded the "Croix de Lorraine" and the "Légion d'honneur" by the government of France.