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Confession time: we love [lastfm link_type="artist_info"]Justin Timberlake[/lastfm] best when he’s in the studio, writing sexy songs that make us want to hit the clubs.

But if he insists on being an actor, sigh, we at least get to enjoy his undeniable charm whenever he embarks on a massive media tour to promote his films.

Such is the case with his upcoming movie with Mila Kunis, Friends With Benefits.

Yesterday, he hit up Late Night with Jimmy Fallon not only to talk about his latest role, but also give us a repeat lesson in the history of rap!

Timberlake was anything but a “bad teacher” with Jimmy.

You may remember that last year, JT visited the late night show and performed an impressive medley of rap hits.

Well, the dynamic duo decided they could top this memorable moment and took to the stage for part 2!

Backed up by Jimmy’s house band, [lastfm link_type="artist_info"]The Roots[/lastfm], they covered AMP Radio favorites like [lastfm link_type="artist_info"]Lil Wayne[/lastfm], [lastfm link_type="artist_info"]Nelly[/lastfm] and [lastfm link_type="artist_info"]50 Cent[/lastfm]!

• Did Justin’s late night performance give you the giggles? Tell us all about it in the comments!

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