This singer won a talent show at the apollo theater at age 17, and was the featured singer with the chick webb orchestra at the savoy ballroom:

The correct answer is Ella Fitzgerald.

She was a very famous American jazz singer whose first stable musical success was her performance in Chick Webb's jazz band. When she was 17 she won the talent show called Amateur nights at the Apollo theatre. She collaborated with many important jazz artists such as Duke Ellington and Louis Armstrong.