Seriously? OMG! WTF?

Jimmy Fallon ended his first week of The Tonight Show with one of his biggest bits from Late Night. That bit was the History of Rap with Justin Timberlake. This time the duo took on LL Cool J, Run DMC, Beastie Boys and Tone Loc to name a few, and I think History of Rap 5 might be the best one of them all. What do you think?

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