Mariah Yeater, the young woman who claims Justin Bieber is the father of her child, has given her first ever TV interview.

Mariah Yeater, 20, has been dressed to look young and innocent, with minimal make-up and a white shirt beneath her pink sweater, unlike the controversial topless pictures of her which emerged last week.

It is difficult to tell from her body language what the truth is, but Mariah Yeater is close to tears as she explains Justin Bieber went from “cute and gushy to aggressive” during their liasion in a backstage toilet last year.

In the exclusive interview with The Insider, Mariah Yeater reinforces the claims that Justin Bieber fathered her four-month-old son Tristyn.

Mariah Yeater, 20, has been dressed to look young and innocent, with minimal make-up and a white shirt beneath her pink sweater, unlike the controversial topless pictures of her which emerged last week

Mariah Yeater gave birth following the alleged incident with Justin Bieber, which reportedly occurred following 30 seconds of unprotected sex in a VIP bathroom at the Staples Center in LA after a concert in October 2010.

Speaking of the incident, Mariah Yeater said:

“He (Bieber) immediately took a liking to me and we just got to talking and then he eventually asked me, <<Do you mind if we can go somewhere and be alone?>>”

She then said Justin Bieber, then 16-year-old, took her to a bathroom.

In the exclusive interview with The Insider, Mariah Yeater reinforces the claims that Justin Bieber fathered her four-month-old son Tristyn

When she was asked over what evidence she has to support her claims, Mariah Yeater said she has provided the relevant to her attorney but could not discuss it on camera.

Mariah Yeater added: “It’ll show in court to prove that my allegations are true.”

The Insider confronted Mariah Yeater on a recent interview with a security guard who claims that on the night in question, Justin Bieber’s dressing room was full of friends and family, staying with the teenage heartthrob until he left.

Asked for her response on the guard’s claims, Mariah Yeater said: “No comment.”

Mariah Yeater’ son, Tristyn, was born in July, with a child support hearing scheduled for December 15.

Continuing with his career in the face of adversity, Justin Bieber accepted the Best Pop award at the MTV European Music Awards last night in Belfast.

Justin Bieber was also named Best Male, taking to the stage to collect his award and saying:

“Yo, two awards in the past 60 minutes.

“There’s been a lot of c**p on the internet lately, but I’ve pulled through.”