NBC's "Tonight Show with Jay Leno" With Guests Kristen Bell, Ryan Lochte, Regina Spektor

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THE TONIGHT SHOW WITH JAY LENO -- -- Episode 4300 -- Pictured: Host... News Photo2010,2012,Actress,Arts Culture and Entertainment,Burbank,California,Color Image,Horizontal,Indoors,Kristen Bell,Night,Portrait,Season 20,Talking,Television Show,The Tonight Show with Jay Leno,USAPhotographer Collection: NBCUniversal 2012 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- (EXCLUSIVE COVERAGE) -- Episode 4300 -- Pictured: (l-r) Host Jay Leno talks with actress Kristen Bell during a commercial break on August 16, 2012 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)