Robbie Williams and Gary Barlow will perform together at the Help For Heroes charity concert in London next month.

Williams, who is due to headline the event, will perform his new duet with Barlow, entitled 'Shame'.

"It's great that people love 'Shame' so much and we can't wait to perform it live for the first time at the Help For Heroes show," Williams and Barlow said.

"We hope everyone supports Help for Heroes as much as possible - it's a great bill and we are thrilled to be a part of it"

'Shame' is taken from the singer's forthcoming 39-song greatest hits collection, 'In And Out Of Consciousness – The Greatest Hits 1990 – 2010'.

The Help For Heroes concert at Twickenham stadium on September 12 will also feature Alexandra Burke and Plan B.

Other acts on the bill include The Saturdays, Pixie Lott and James Blunt, while entertainers Bruce Forsyth, Jack Dee and Michael McIntyre will also appear.

All proceeds from the concert will go towards the Help For Heroes charity. Tickets are on sale now.

(by Jason Gregory)