i think she was 13
6 i think.
from what ive heard, Miranda cosgrove was in a restraunt and she was singing and a TV producer spotted her and she started modeling at age 3! woah!
Michael Jackson was actually 5 years old. He sang in front of his Kindergarten class.
he was 14 when he started singing
Ariana was 9 years old when she started singing:)
He was about 15 when he started Singing
she started singing when she was 21
She was 3
I think he was 12 when he started singing x
{:Justin Bieber started singing at the age of 6.:}
it started when he was 14 years old
She was three when she started acting.