Justin Bieber's Most Controversial Moments
November 2011 Just at the tender age of 17, Biebs was hit with claims that he had fathered a child with a woman named Mariah Yeater. The then 20-year-old fan said she had sex with the singer in a restroom after one of his concerts. Bieber called the reports "sad" and expressed claims to take the fan to court for defamation. Yeater subsequently dropped her paternity lawsuit against the popstar.
Source: Bauer Griffin Online