A royal VIP and the reunion of the year: stars hit the right notes for Help for Heroes

GALLERIES

A royal VIP and the reunion of the year: stars hit the right notes for Help for Heroes

The recently-reunited duo sang their new single, Shame, to the delight of the excited crowd. Introducing his friend, Robbie, who also sang a number of his own tracks, said: "Have I got a treat for you, this is one of the most amazing moments in my professional career so far.
"It's been 15 years in the making. My wife calls him my boyfriend, I call him my captain, you call him Gary Barlow"