Robbie Williams: 'My back is knackered'

Robbie Williams performing live Credit: Pedro Rocha/Global Imagens/Atlantico Press/Atlantico/Press Association Images

Stoke-on-Trent's Robbie Williams has revealed how performing at live shows leaves him in agony as he battles back pain and muscle spasms.

The 40-year-old star is playing a series of shows in the UK and said his back is "knackered".

Robbie had to sit out the annual Soccer Aid charity football match because of his difficulties.

On his website he told fans: