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LL Cool J and Chrissy Teigen will host "Lip Sync Battle," debuting April 2. Video courtesy of Spike TV Follow BI Video: On Facebook More from Entertainment Jimmy Fallon's lip sync battles have ...

When "Lip Sync Battle" began production ... When your executive producers include Fallon, John Krasinski ("The Office") and Stephen Merchant ("Hello Ladies"), it's nice to keep them close.

For more than two decades, Jimmy Fallon has been delivering a steady ... who's produced his own TV series (comedic game shows "Lip Sync Battle," and "That's My Jam," for example, with Fallon ...

The event got off to a wet start thanks to some storms, but for the most part, things were able to move smoothly-with onlyTonight Show host Jimmy Fallon ... Parade to lip-sync their stuff.