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Will Smith was the first guest on Jimmy Fallon's new gig on the Tonight Show...

...Questlove being a Philly rep, of course had to take a min to snap a shot for IG and spread the love!

AND of know they had to get their gig on! WATCH Jimmy Fallon and Will Smith take you on a ride through Hip Hop time...don't be afraid to admit you rocked the one strap coveralls and you know you hit the Kid N Play in a dance battle at least ONCE!!!