As the Blind Auditions for 'The Voice UK' enter their fifth week, coaches will.i.am, Jennifer Hudson, Sir Tom Jones and Olly Murs continue their search for the nation's next singing star. The auditionees must make the coaches turn in their chairs by impressing them with their vocals and earning a coveted place on one of the coaches's teams, and all of the acts will be singing for their chance to win that all-important recording contract with Polydor Records.