Jimmy Fallon: Who Is Ryan Lewis?

Could you pick Ryan Lewis out of a line-up? Jimmy Fallon takes late night to the streets of NYC to find out!

Jimmy Fallon has taken late night by storm and all the ratings!  It's like watching SNL, but with Jimmy Fallon!  Peep what Jimmy has Ryan Lewis of Macklemore do?  By the way....what does Ryan Lewis do??  Watch below!