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: Musical... News Photo2010,2012,Arts Culture and Entertainment,Burbank,California,Choice,Color Image,Guest,Horizontal,Indoors,Music,Night,Performance,Portrait,Regina Spektor,Season 20,Television Show,The Tonight Show with Jay Leno,USAPhotographer Collection: NBCUniversal 2012 NBCUniversal Media, LLCTHE TONIGHT SHOW WITH JAY LENO -- Episode 4300 -- Pictured: Musical guest Regina Spektor performs on August 16, 2012 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)