Boy band Union J have signed up for Channel 4's Stars At Your Service, giving fans the opportunity to book the group for anything they want, to raise money in aid of the Stand Up To Cancer campaign for Cancer Research UK.

Fans can apply online for the chance to get their favourite stars to perform tasks such as singing at their wedding or doing household chores, with the most entertaining requests broadcast on the show. Others taking part include Tamara Ecclestone, Marvin Humes, Melanie C, Warwick Davis and Rhod Gilbert.