Justin Bieber uses Borat to mock baby mama accuser on Twitter

Twitter.com/Justin Bieber

LOS ANGELES -- Almost five months after the brief media storm surrounding a fan's claim that Justin Bieber had fathered her child, the teen singer has addressed his accuser -- with the help of Borat.

Bieber, 18, who denied having met Mariah Yeater and took a DNA test last November to prove he hadn't fathered baby Tristyn, mocked the 20-year-old Californian on Twitter on Saturday night.

He tweeted, "Dear mariah yeeter [sic]...we have never met...so from the heart i just wanted to say..." with a link that directed users to a clip of the Sacha Baron Cohen character Borat saying, "You will never get this, you will never get this, la la la la la."

Yeater claimed she became pregnant in October 2010 after having sex with the star, then 16, while backstage at one of his concerts in Los Angeles.

The Canadian singer, who is dating Disney actress Selena Gomez, underwent a DNA test to prove he is not the father of the child and Yeater subsequently withdrew her lawsuit.

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Mariah Yeater