NBC's "The Tonight Show with Jay Leno" - Season 22


LENO -- Episode 4531 -- -- Pictured: Host Jay Leno talkws with singer... News Photo2010,Arts Culture and Entertainment,Behind The Scenes,Burbank,California,Celebrities,Christina Aguilera,Color Image,Horizontal,Indoors,Night,Portrait,Singer,Television Show,The Tonight Show with Jay Leno,USAPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- Episode 4531 -- (EXCLUSIVE COVERAGE) -- Pictured: (l-r) Host Jay Leno talkws with singer Christina Aguilera during a commerical break on September 18, 2013 -- (Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)