He was about either 10, 11, or 12 when he was discovered by Usher on YouTube. His mom was putting the videos on there.
Justin Bieber was 14 when he was signed, so I guess that's basically when his career started.
Justin Bieber was 6 years old when he started his music career.
He was six years old when he started his singing career.
{:Justin Bieber started singing at the age of 6.:}
Justin Bieber was 15 when he started recording music.
Justin Bieber was about three to seven years old when he started playing sports.
Justin bieber was 12 when he started to sing
Justin Beiber was 9 when he started his singing career.
Justin Bieber started singing At age three. Started carreer at age 12.
Justin started when he was just 8
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Justin Bieber was very young when he began to sing.