The series employs a panel of four coaches who critique the artists' performances and guide their teams of selected artists through the remainder of the series. They also compete to ensure that their act wins the competition, thus making them the winning coach. The original panel featured will.i.am, Danny Jones and Pixie Lott; the panel for the fifth series will feature will.i.am, Jones, Lott and Melanie C. Other judges from previous series include Jessie J and Paloma Faith.