Will rose to fame in 2002 by winning the inaugural series of Pop Idol. He's gone on to sell over 8 million albums worldwide.
The music mogul wishes Gareth Gates had won Pop Idol and explains why he doesn't get on with Will.
Could Will become a judge of new talent contest The Voice?
Young has uncovered the video for his new single, out November 21
Will has admitted his fear of telling the world he was homosexual.
Will kicks off his 23 date UK tour in Swindon - it follows the release of his new album Echoes and the single 'Jealousy'.
See the best pictures at this summer's music festivals