She was 88.
A spokesman for Harvey says the singer died Thursday at her home in Los Angeles after a battle with cancer.
Harvey began her career as a performer at Cafe Society in New York. She went on to record such songs as "You Brought a New Kind of Love to Me," "Close as Pages in a Book" and "Only Another Boy and Girl" with the Goodman orchestra. She also recorded "A Rainy Night in Rio" with Arnaz and "A Hundred Dreams From Now" with Ellington.