Britain’s Prince Harry embraces Dave Grohl of Foo Fighters on stage during the closing ceremony for the Invictus Games at the Olympic Park in east London

Britain’s Prince Harry embraces Dave Grohl of Foo Fighters on stage during the closing ceremony for the Invictus Games at the Olympic Park in east London

Britain’s Prince Harry (L) embraces Dave Grohl of Foo Fighters on stage during the closing ceremony for the Invictus Games at the Olympic Park in east London, September 14, 2014. The Invictus Games is a competition for injured members of the armed forces. REUTERS/Toby Melville (BRITAIN – Tags: ROYALS ENTERTAINMENT SPORT MILITARY)