Ariana Grande took Blake Shelton by surprise for her song pick this week. She picked Nelly featuring Kelly Rowland’s ‘Dilemma’ for the ‘Battle Round. Blake said, “My thought was, ‘Wow, I can’t wait to hear that song for the first time. ‘”Kelly said, “Did you live under a rock?” John Legend said, “This was an immensely huge song. “Shelton felt bad for not knowing the classic song and said, “There was a lot of rocks where I lived. “This season has all the judges going head to head with each other trying to dethrone Blake Shelton for having the winning picks every season.