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Thanks to a wildly popular segment on "The Tonight Show Starring Jimmy Fallon," pretend-singing contests between celebrities are now worthy enough for a TV series. "Lip Sync Battle" brings together some of the biggest performers in entertainment, including Anna Kendrick, Dwayne Johnson, Emily Blunt, Anne Hathaway, Justin Bieber, Jennifer Lopez, Terrence Howard, and executive producers Fallon, John Krasinski and Stephen Merchant, to see who better lip-syncs songs of their choice. Helping produce epic battles, celebs are outfitted not only with microphones but props, costumes and even backup singers. LL Cool J hosts, and model Chrissy Teigen provides color commentary. Wikipedia