Now that Justin Bieber has reportedly agreed to take a DNA paternity test to prove that he is not the father of Mariah Yeater's baby -- the 20-year-old woman who claims she had unprotected sex with the popstar after one of his concerts -- Yeater is speaking out, saying she has evidence that Bieber is her baby's father.
After explaining to The Insider that she and Bieber went to a backstage bathroom alone, after he "immediately took a liking to her," Yeater said that he went from "cute and gushy" to "more aggressive" almost instantaneously. The two then allegedly engaged in unprotected sex -- a fact, Yeater says, that she can prove.
"I...
