‘The Voice’ Coaches Dish About What It Was Like To Work With Notorious Diva Mariah Carey

The competition is heating up on season 15 of NBC’s The Voice. This season has seen a lot of celebrities coming in to work hands-on with contestants, including Keith Urban, CeeLo Green, and Halsey. And as the competition moved on to the Knockouts, the show knew it needed a “knockout” in its own right to come...