Justin Bieber is everywhere this week. On Tuesday (Nov. 1) the teen singing sensation stopped by “Dancing with the Stars” to perform “Never Say Never” and on Wednesday he was channeled by Jimmy Fallon in a rousing performance of his make-believe single, “(It’s Not My) Baby.”

For anyone not keeping up, Fallon — backed by The Roots — is having a little fun with a recent Star magazine report claiming the 17-year-old Bieber was slapped with a paternity lawsuit by a 20-year-old woman who claims her three-month-old son is the Bieb’s. Bieber’s legal representatives, for the record, say they haven’t seen the lawsuit, but dismiss it as “malicious, defamatory” and “false.”

We dare you to keep a straight face watching Fallon gracefully weave and bob through lyrics like “You only said this/to get my cash/and now Selena Gomez/is gonna kick my a**.”

We went back and reviewed the real Bieb’s Tuesday night performance and we’re prepared to make two judgments: 1. No way that guy fathered a child and, 2. Jimmy Fallon has better moves.

Posted by:Liz Kelly Nelson