Jimmy Fallon Dishes On Making Justin Bieber Spoof '(It's Not My) Baby'

Jimmy Fallon performs '(It's Not My) Baby' on 'Late Night with Jimmy Fallon' on November 2, 2011 Jimmy Fallon performs '(It's Not My) Baby' on 'Late Night with Jimmy Fallon' on November 2, 2011

Jimmy Fallon is having some fun with Justin Bieber’s alleged baby daddy drama.

On Wednesday’s “Late Night with Jimmy Fallon,” the funnyman debuted his latest spoof song, “(It’s Not My) Baby,” poking fun at a woman’s claim that the 17-year-old singer is the father of her child – something the singer’s rep has adamantly denied.

Jimmy called into to Access Hollywood Live on Thursday morning telling Billy Bush and Kit Hoover that the Twitterverse was exploding after the song premiered.

“This morning I woke up and my Twitter feed was off the charts… you get a little bit of that Bieber fever, you get a hit off that Bieber stuff,” he said, explaining that they had very little time to create the piece.

“We had the wig, I clearly don’t look like Justin Bieber, so I put on the Bieber wig and then we asked The Roots if they could learn [the song,]” he said.

“Have you heard from Bieber?” Kit asked.

“I haven’t heard from him yet, but I do know for a fact that I’ll hear from him or his lawyers in the next half hour,” Jimmy said with a laugh.

Check out the Jimmy performing “(It’s Not My) Baby,” HERE!

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