Justin Bieber Baby DNA Test Submitted by Star

Justin Bieber took the DNA test Friday that was required in a paternity suit filed against him by his alleged baby mama Mariah Yeater.

The pop star took the test in a New Jersey lab under "very controlled circumstances," according to a TMZ report.

Yeater claim her son Tristyn was conceived when her and Bieber allegedly had sex backstage after his concert at the Staples Center in Los Angeles in October 2010.

She is demanding child support from the now 17-year-old pop star. Bieber was 16 at the time of the alleged conception.

Bieber and his legal team have continuously denied the allegations.

“The allegations are 100% not true. I’m a target. That’s something that comes with the territory,” the pop star said recently.

Last week, a set of past text messages Yeater sent to a friend revealing that Bieber is not the father were released by TMZ.

One message read: “Pleeease ERASE ALL MESSAGES from my mom where she says Tristyn is Robbie’s Son."

“I’ll kick u when we get paid. I’m trusting you pleeease,” another message read.

Bieber's lawyer said the message "proves Mariah Yeater fabricated the story. Our independent investigation indicates Ms. Yeater never met Justin, she has consistently identified another man as the child’s father, and Ms. Yeater and her co-conspirators hatched this scheme in order to extort money from him and to sell her story to the media."

Even before the text messages were released many questioned Yeater's motives.

An ex-boyfriend of Yeater recently said she also accused him of being the father of her child.

John Terranova, who dated Yeater for nearly four years, told the New York Post: "She came back here from California telling me she was pregnant with my child and I said this is impossible, you've been in California two months and back here for only a week."

"I know it's not Justin Bieber," Terranova added. "She just wants money. It's a scam."

Bieber has said he will sue Yeater and her lawyers once the DNA test proves he's not the father.