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grace bumbry was 11 years old
Grace Bumbry is 80 years old (birthdate: January 4, 1937).
She was the first 17 old to win a radio cometion
he was 8 years old when he became famous
Mozart became famous at 6.
She was exactly sixteen when she became famous and it was the year of 1966.
He became famous in 1959 at age 23
In her bio it says she was 17 when she became famous.
Sean Kingston was 18 when he became famous.
Wendy was 478,675,24 years old when she became famouse
it says on Pandora he became famous when he was 14 but im not sure
Michael Jackson became famous at the age of 7