Aspiring singers perform auditions in front of 4 coaches who have their backs turned to them. If a coach likes the voice they hear, they turn around, and the contestant then gets to decide which one of the coaches they want to work with.
The Voice UK 2012

Stars

Will.i.am

Tom Jones

Emma Willis

Ricky Wilson

Marvin Humes

Danny O'Donoghue

Jessie J

Holly Willoughby

Adrian Hylton