The McBusted star, who announced on Wednesday (22Jul15) he is set to be a father, will go head-to-head with an array of U.K. TV personalities, pop stars and sportsmen during the contest in London in September (15).

The event is organised by professional rugby player Mike Tindall, who is the husband of Queen Elizabeth II's granddaughter Zara Phillips.

Tindall will unveil the full line-up for the match at a ceremony on Monday (27Jul15) and other stars confirmed on the roster include JLS singer JB Gill and Welsh TV presenter Gethin Jones.

Rugby Aid 2015 aims to raise money for British charity Rugby for Heroes, which works to generate funds for military personnel who are moving back into civilian life.