NBC's "The Tonight Show with Jay Leno" With Guests Billy...

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THE TONIGHT SHOW WITH JAY LENO -- Episode 4545 -- Pictured: Host Jay... News Photo2010,Arts Culture and Entertainment,Burbank,California,Choice,Color Image,Full Length,Greeting,Indoors,Jenni Farley,Nicole Polizzi,Night,Portrait,Television Show,The Tonight Show with Jay Leno,USA,VerticalPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- Episode 4545 -- Pictured: (l-r) Host Jay Leno greets Nicole 'Snooki' Polizzi and Jennifer 'JWoww' Farley on October 8, 2013 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)