Bieber to Letterman:
I Could Smell a Weasel
11/23/2011 6:10 AM PST BY TMZ STAFF
Justin Bieber taped a segment with David Letterman yesterday -- where the two teamed up to TRASH his alleged baby mama ... with Justin telling Dave, "I could smell a weasel, too."
Bieber proceeded to tell Letterman all about the process of supplying DNA for the paternity test -- saying, "Yeah, I took it ... They just swab your mouth."
Now, it's up to his alleged baby mama Mariah Yeater to supply her kid's DNA for comparison -- but Justin's not confident it will be a match ... telling Letterman, "I could smell a weasel."
As TMZ first reported, Yeater's lawyer insists she will gladly offer up her baby for DNA testing.
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