After his paternity test, Justin Bieber's camp waits for Mariah Yeater to bring the baby for completion and conclusion of the test. Justin also tells about the details of his "swab test" which took place in a laboratory in New Jersey.

"Now Yeater has to offer up the baby for DNA testing, which will prove once and for all that Justin is not the father. But we don't expect her to be in a rush to do that," a source close to Biebar said after the young singer took the test last Friday.

Yeater claimed that Justin is the father of her child after an alleged sexual encounter that happened after the pop star's concert October 2010. After granting several interviews to stand by her claims, Yeater decided to drop the lawsuit against Bieber last week.

The star appeared on "The David Letterman Show" where he discussed updates of the allegations and even labeling Yeater as a "weasel."

"It's pretty crazy how people make up false accusations. But I'm 17 - it's gonna happen, being in the spotlight," the singer said. "People can say whatever."

Justin also discussed about the paternity test he had done last week and when probed if he got naked for it, the "Baby" singer was quick to answer.

"No! They just swab your mouth," the pop sensation said.

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