Mariah Yeater interview: Justin Bieber 'went from cute and gushy to more aggressive'

Teen pop sensation Justin Bieber has been in the news lately because Mariah Yeater claims she had sexual relations with Bieber backstage after a concert and that her 3-month-old son is Bieber's. She is suing for child support, while Bieber says after he takes a paternity test, he'll be suing Yeater.

Now Yeater speaks out about the whole affair. She recounts her side of the story for "The Insider," "He immediately took a liking to me. We just got to talking ... then he eventually asked me, 'Would you mind if we could go somewhere and be alone.'"

"Then when we got to what turned out to be a bathroom, his whole demeanor changed. It went from cute and gushy to more aggressive," Mariah continues.

"I have provided evidence to my attorneys and it'll show in court to prove that my allegations are true," she finishes. When asked why Bieber's security guard says he never left Bieber's side that night and that Justin went straight to the car following the concert, Mariah says, "No comment."

The full interview will air on Monday night's (Nov. 7) edition of "The Insider."