Ariana Grande is set to become the newest coach on NBC’s ‘The Voice.’ Nick Jonas had some great praise for the superstar singer, “Ariana, as we all know, is one of the best singers in the game, and she’s gonna be an incredible coach.” Kelly Clarkson, John Legend & Blake Shelton also had positive things to say about Ariana coming aboard, saying they have given her advice on how to be the best she can be.