NBC's "Late Night with Jimmy Fallon" with guests LL Cool J,...

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LATE NIGHT WITH JIMMY FALLON -- Episode 833 -- Pictured: Actress... News Photo2010,2010-2019,2013,Actress,Alyson Hannigan,Arts Culture and Entertainment,Celebrities,Choice,Color Image,Desk,Dress,Fashion,Females,Horizontal,Interview,Jimmy Fallon,Late Night with Jimmy Fallon,Laughing,Maroon,Media Interview,New York City,Night,People,Photograph,Portrait,Red,Season 5,Seth Green,Talkshow,Television Show,Two People,USAPhotographer Collection: NBCUniversal 2013 NBCUniversal Media, LLCLATE NIGHT WITH JIMMY FALLON -- Episode 833 -- Pictured: (l-r) Actress Alyson Hannigan with host Jimmy Fallon during an interview on May 10, 2013 -- (Photo by: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)