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Jimmy Fallon, Jay Leno croon about late night rumors to tune of 'Tonight'

Ever since the rumor mill began churning with speculation over the fate of Jay Leno on "The Tonight Show" and his (rumored!) potential successor Jimmy Fallon (of "Late Night") the pair have not yet addressed the controversy together.Until Monday night, when during "Late Night" Leno and Fallon shared a full-throated duet set to the "West Side Story" song "Tonight.""I've been through this before. I'

Ever since the rumor mill began churning with speculation over the fate of Jay Leno on "The Tonight Show" and his (rumored!) potential successor Jimmy Fallon (of "Late Night") the pair have not yet addressed the controversy together.

Until Monday night, when during "Late Night" Leno and Fallon shared a full-throated duet set to the "West Side Story" song "Tonight."

"I've been through this before. I'll admit I'm a little sick of this," Leno told Fallon before the song began. The pair acknowledged their friendship, then launched into song. 

"In the news all they say is I'm replacing you; they think I can woo the demo," sang Fallon.

"Tonight, tonight, I've got Fox on the line, or maybe I could take over for Dave (Letterman)," returned Leno.

(Note: While both hosts began singing in their own voices, later on professionals took over, which could account for the clear operatic tone both achieved.) 

The Hollywood Reporter wrote that the idea for the musical number came from Fallon, who flew to Los Angeles to film his part of the song. 

Check out the full video below!

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