Bieber's 'baby mama' has 'evidence' to prove

Mariah Yeater, who claims Justin Bieber is the father of her baby hit back at his denials through her lawyers and called again for the 'Baby' singer to take a DNA test.

However, teen sensation's legal team has dismissed allegations that he fathered a baby with a fan Mariah Yeater.

Yeater's lawyers said that evidence of Bieber's paternity would come out in cour... BNN