 Blake Shelton and Christina Aguilera both served as coaches on the NBC's American reality talent show The Voice and became good friends during production. During an interview, Aguilera said, "He's my big brother, I 'm the closest to him of all the guys. Blake is just a rockstar; he's great. He's so playful, so fun and down to earth. He's got a lot of heart". The whole idea for the duet between Christina and Blake came into being when Christina started a performance with a snippet of his song "Hillbilly Bone". Blake tweeted he was speechless, and Christina tweeted back, "Now we need to team up for a country duet Blake! ! I 'm down! !". In an interview with Rolling Stone, Aguilera commented about teaming up with her colleagues,
