CELEBRITY

NBC Threatening Celebrities: It's Jimmy Fallon Or The Highway

NEW YORK, NY - MARCH 03:  Tina Fey visits 'The Tonight Show with Jimmy Fallon' at Rockefeller Center on March 3, 2014 in New
NEW YORK, NY - MARCH 03: Tina Fey visits 'The Tonight Show with Jimmy Fallon' at Rockefeller Center on March 3, 2014 in New York City. (Photo by Theo Wargo/NBC/Getty Images for 'The Tonight Show Starring Jimmy Fallon')

NBC is coming down like a hammer on celebs who want to get on Jimmy Fallon's show ... if they dare do a show on CBS or ABC ... they can forget about "The Tonight Show."

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