Final preparations under way for the Queen's Jubilee concert
2 June 2012 Last updated at 05:42 BST
The Queen's Diamond Jubilee concert will take place on Monday 4 June at Buckingham Palace. The event will include performances from Sir Paul McCartney, Stevie Wonder and Sir Elton John.
It will also feature a special song - sung by 200 people from around the Commonwealth - co-written for the occasion by Gary Barlow and Andrew Lloyd Webber.
Daniela Relph takes a look behind the scenes of this once in a lifetime event.
Queen's Jubilee concert - 19:30 BST on Monday on BBC One, BBC One HD & Radio 2