Help for Heroes Concert '10

British singer Robbie Williams during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singer Robbie Williams performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010.  (AFP)

British singer Robbie Williams performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

Spanish singer Enrique Iglesias performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

Spanish singer Enrique Iglesias performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singer Robbie Williams performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010.  (AFP)

British singer Robbie Williams performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singers Robbie Williams (R) and Gary Barlow (L) perform during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singers Robbie Williams (L) and Gary Barlow (R) perform during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singers Robbie Williams (R) and Gary Barlow (L) perform during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singers Robbie Williams (R) and Gary Barlow (L) perform during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singers Robbie Williams (R) and Gary Barlow (L) perform during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singer Robbie Williams performs during the Help for Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

Britain's Prince Harry, center, attends the 'Help For Heroes' Concert at Twickenham Stadium, London on September 12, 2010. (AP)

British singer Pixie Lott (R) performs during the "Help The Heroes Concert 2010" at Twickenham Stadium, southwest London on September 12, 2010. (AFP)

British singer Pixie Lott performs during the "Help The Heroes Concert 2010" at Twickenham Stadium, southwest London on September 12, 2010.  (AFP)

British singer Alesha Dixon performs during the Help the Heroes Concert 2010 at Twickenham Stadium, southwest London on September 12, 2010. (AFP)