Emma Willis

will.i.am

Tom Jones

Olly Murs

Anne-Marie

Meghan Trainor

Jennifer Hudson

Gavin Rossdale

Boy George

Paloma Faith

Ricky Wilson

Marvin Humes

Rita Ora

Kylie Minogue

Holly Willoughby

Reggie Yates

Jessie J

Danny O'Donoghue

Deepak Dhar

John de Mol