Justin Bieber is a Canadian singer and songwriter born in 1994 in Stratford, Ontario. He was discovered on YouTube by Scooter Braun and signed with Island Def Jam Records. Some of his hit singles include "Baby" and "One Time." Bieber began his career by posting cover songs on YouTube in 2007 and has since released several successful studio albums. He is one of the best-selling music artists of all time.