Pop legend Sir Paul McCartney will headline a spectacular musical tribute to the Queen to mark her Diamond Jubilee.
The former Beatle will be among a concert line-up that will feature artists from across the 60 years of the monarch's reign playing in front of Buckingham Palace in June.
Securing McCartney for the event's bill is a major coup for singer Gary Barlow, who is helping to organise the event.
The Take That star said: "The Diamond Jubilee concert will celebrate the 60 years of the Queen's reign with an amazing line-up of world class artists coming together to play at one of the biggest and most exciting live music shows in recent years.
"With Buckingham Palace as a backdrop, it's going to be a fantastic event which transcends multiple decades of music. It'll be a great, unique, experience for the thousands attending, watching on TV and listening on Radio. I can't wait."
Among the performers will be Sir Elton John, Sir Tom Jones, Dame Shirley Bassey, Jessie J, boy band JLS and singer songwriter Ed Sheeran.
Also taking to the stage that will sited around the Queen Victoria Memorial will be Madness, Annie Lennox and Sir Cliff Richard.
Barlow said the Duke of Cambridge and Prince Harry had both requested artists to perform in front of an audience of more than 10,000 that will include the Queen, the Duke of Edinburgh and other members of the Royal Family."
Barlow would not confirm if he or Take That would play on the night but said almost two-thirds of the acts had been confirmed and he hoped to go beyond Commonwealth artists and have American stars taking part.
The musician said he wanted other forms of entertainment such as ballet or performances from the West End to be represented and highlighted how classical acts had already been booked - English tenor Alfie Boe and virtuoso Chinese pianist Lang Lang.