Throughout this entire ordeal, Justin Bieber has maintained that he was not the father of Mariah Yeater's baby, even going as far as to volunteer to take a paternity test.
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And as you can see in this clip from tonight's The Late Show with David Letterman, the singer has officially submitted to a cheek swab.
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"It's pretty crazy. People make up false accusations. It's gonna happen, being in the spotlight," Bieber says. When the host offers up that he "smelled a weasel" from day one with this story, Bieber adds, "I can smell a weasel too."