Prince William and Harry on stage today

British royal PRINCE HARRY remembered his embattled pals fighting in Iraq as the London concert dedicated to the memory of his mother got underway on a sombre note today. Harry joined brother Prince William onstage at Wembley Stadium in front of an estimated crowd of 70,000 after Elton John kicked off the Concert For Diana with a stirring rendition of Your Song.The two princes nervously read from handheld cue cards as they thanked the masses for helping them celebrate what would have been their later mother Princess Diana’s 46th birthday. Harry, a then made a point of saluting friends serving in the Middle East. He said, "I would also like to take this opportunity to say hi to all the guys in A Squadron of the Household Cavalry, who are serving out in Iraq at the moment."I wish I was there with you. I’m sorry I can’t be. But, to all of those on operations at the moment, we’d both like to say `Stay safe.’" Security issues forced Harry to abandon plans to join the Household Cavalry regiment in Iraq.The two princes then introduced their late mother’s favourite band, Duran Duran, who dedicated hits Wild Boys to the young royals and Rio to the memory of their mother, who died in a Paris, France car crash in 1997. As well as Elton John and Duran Duran, Tom Jones, Kanye West, Joss Stone and Lily Allen are slated to perform at the tribute concert.