The Insider.com

Mariah Yeater, the woman who claims to have had Justin Bieber's baby, broke down in an exclusive interview with The Insider's Kevin Frazier, walking out of the room twice!

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In the second part of Kevin's sit down with Mariah, airing tomorrow, she becomes overwhelmed while watching Justin's Today show appearance where he denied ever meeting the 20-year-old woman. Trembling with emotion, the new mom rose to her feet in frustration as cameras filmed her flee the room.

Watch The Insider on Tuesday night to see Mariah's tear-filled recollection of her alleged encounter with the pop star.