NBC's "The Tonight Show with Jay Leno" - Season 21


THE TONIGHT SHOW WITH JAY LENO -- -- Episode 4517 -- Pictured: Actor... News Photo2010,Actor,Arts Culture and Entertainment,Behind The Scenes,Burbank,California,Celebrities,Choice,Color Image,Guest,Horizontal,Indoors,Jay Leno - Television Host,Josh Duhamel,Looking At Camera,Macklemore,Music,Night,Portrait,Ryan Lewis - Musician,Television Host,Television Show,The Tonight Show with Jay Leno,USAPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- (EXCLUSIVE COVERAGE) -- Episode 4517 -- Pictured: (l-r) Actor Josh Duhamel, Ryan Lewis, host Jay Leno, comeidan JB Smooth and musical guest Macklemore on August 27, 2013 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)