Queen's Jubilee Concert

A couple enjoy a special picnic in the grounds of Buckingham Palace prior to the Queen's Diamond Jubilee celebration concert in London, Monday, June 4, 2012. (AP Photo/Alastair Grant, Pool)

Jayne Littlewood, left, and her mother Anne Randle pose for photos wearing a union jack suit as they enjoy a special picnic in the grounds of Buckingham Palace as the Queen's Diamond Jubilee celebrations continue in London, Monday, June 4, 2012. (AP Photo/Alastair Grant, Pool)

Diane Dourish from Alnwick in the north of England enjoys the special picnic in the grounds of Buckingham Palace prior to the Queen's Diamond Jubilee celebration concert in London, Monday, June 4, 2012. (AP Photo/Alastair Grant, Pool)

Spectators along the mall prior to the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Spectators along the mall prior to the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

A view of the stage prior to the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Crowds gather outside Buckingham Palace along The Mall ahead of the Diamond Jubilee concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Anthony Devlin, Pool)

Crowds of spectators wait for the start of the Diamond Jubilee concert at Buckingham Palace, in central London, Monday June 4, 2012. (AP Photo/Dominic Lipinski, Pool)

Singer Robbie Williams performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Singer Robbie Williams performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Will.I.am and Jessie J perform at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Gary Barlow and Cheryl Cole perform at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

The Duke and Duchess of Cambridge with Prince Harry, right, attend the Diamond Jubilee concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Dave Thompson, Pool)

Britain's Queen Elizabeth II attends the Diamond Jubilee concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Dave Thompson, Pool)

Kylie Minogue performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

In this photo released by MPL Communications , Sir Paul McCartney is at the sound check for the Diamond Jubilee concert at Buckingham Palace in London Monday June 4, 2012. (AP Photo / MJ Kim, MPL Communications)

Cheryl Cole and Gary Barlow perform at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo / David Parker, Pool)

The crowd perform a Mexican wave outside Buckingham Palace at the Diamond Jubilee concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Anthony Devlin, Pool)

Sir Andrew Lloyd Webber and Gary Barlow onstage at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Kylie Minogue performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/David Parker, pool)

Sir Elton John performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Elton John performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo / David Parker, pool)

Sir Tom Jones performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Rolf Harris performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Sir Paul McCartney performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Stevie Wonder performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Will.i.am and Stevie Wonder perform at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

People view the Diamond Jubilee beacon at Edinburgh Castle beside Mons Meg Cannon in Edinburgh, Monday June 4, 2012. (AP Photo / Andrew Milligan/PA)

Queen Elizabeth II meets Sir Tom Jones backstage at The Diamond Jubilee Concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Dave Thompson, Pool)

Queen Elizabeth II meets Sir Elton John backstage at The Diamond Jubilee Concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Dave Thompson, Pool)

Queen Elizabeth II meets Rolf Harris and Kylie Minogue backstage at The Diamond Jubilee Concert in London Monday June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the queen's husband, Prince Philip, missed the concert after being hospitalized with a bladder infection. (AP Photo / Dave Thompson, Pool)

Britain's Queen Elizabeth II has her hand kissed by her son Prince Charles at the end of the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Queen Elizabeth II, second right, meets Will.i.am, second left, backstage at the Diamond Jubilee Concert outside Buckingham Palace in London Monday, June 4, 2012. (AP Photo/Dave Thompson, Pool)

Queen Elizabeth II, center, meets Cheryl Cole backstage at the Diamond Jubilee Concert outside Buckingham Palace in London Monday, June 4, 2012. (AP Photo/Dave Thompson, Pool)

Queen Elizabeth II meets Ed Sheeran, left, as Kylie Minogue, right, looks on backstage at The Diamond Jubilee Concert in London Monday, June 4, 2012. Thousands of flag waving fans gathered to watch British music royalty celebrate Queen Elizabeth II on Monday with a Buckingham Palace concert featuring acts from throughout her 60 year reign. But the joy was tempered by news that the queen's husband, Prince Philip, was hospitalized with a bladder infection. (AP Photo/Dave Thompson, Pool)

An image of Queen Elizabeth II and Duke of Edinburgh is projected onto Buckingham Palace during the Diamond Jubilee Concert in London Monday, June 4 , 2012. (AP Photo/PA, Dave Thompson)

Spectators watch fireworks, which brought to a close the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Britain's Prince Charles, centre, Camilla, Duchess of Cornwall, and Britain's Queen Elizabeth II, centre left, are joined on stage by performers at the conclusion of the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

Sir Paul McCartney performs at the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)

From right, Sir Paul McCartney and Camilla, Duchess of Cornwall join onstage Britain's Queen Elizabeth II, centre, as she waves to spectators at the end of the Queen's Jubilee Concert in front of Buckingham Palace, London, Monday, June 4, 2012. The concert is a part of four days of celebrations to mark the 60 year reign of Britain's Queen Elizabeth II. (AP Photo/Joel Ryan)