Britain's Queen Elizabeth II is seen on February 10, 1988, as she attends a thanksgiving service at St. Paul's Church in London. (AP Photo)

Britain's Queen Elizabeth II, waits with ticket in hand, for the arrival of the computer-controlled Docklands Light Railway to arrive at Poplar station, East London, July 30, 1987. (AP Photo/Dave Caulkin/Pool)

Britain's Queen Elizabeth II, smiles as she leaves the Royal Chapel in Windsor Great Park, England, after attending morning prayers, April 20, 1986. (AP Photo/Peter Kemp)

The Queen Elizabeth II smiles as she tours the Royal Bath and West Show at Shepton Mallet, Somerset on May 31, 1985. During the visit she was presented with a giant cheese by Lord Chewton, Chief Dairy Stewart of the show. (AP Photo)

Britain's Queen Elizabeth II is seen on February 11, 1982, at the formal opening of the British Institute for Radiology in London. (AP Photo)

Britain's Queen Elizabeth II, as she arrives in Rabat, Morocco, for a state visit, Oct. 27, 1980. (AP Photo/Peter Kemp)

Britain's Queen Elizabeth II is seen on April 21, 1982, as she attends a tree-planting to mark her Silver Jubilee, at Hyde Park in London. (AP Photo)

Britain's Queen Elizabeth II is seen on February 12, 1975, while visiting the Thomas Goram Foundation for Children in London. (AP Photo)

The Queen Elizabeth II makes a pretty summer pictured in her white hat decorated with white ribbons as she left the 7 million pound (English money) Walsgrave Hospital on the outskirts of the city during her visit to Coventry on June 30, 1970 in England. With the hat she wore a primrose yellow coat. (AP Photo)

Queen Elizabeth II of England is shown in February 1966. (AP Photo)

A radiant Queen Elizabeth II is shown on arrival at London airport on March 28, 1963, after in eight week tour of Australia, New Zealand and Fiji, with her husband Prince Philip. (AP Photo)

Queen Elizabeth II wears a close-fitting feathered petal hat as she visits the Holloway Employment exchange in London on Nov. 17, 1960. The exchange was one of 62 state labor exchanges opened 50 years ago in England. (AP Photo)

Queen Elizabeth II of Britain and her sister Princess Margaret (right) wear very similar straw hats as they drive from Crathie Church near Balmoral Scotland on August 16, 1959 after attending divine service. The Queen and the Royal Family are at present holidaying in Balmoral Castle. President Eisenhower will be the Queen's guest there when he visits Britain later this month. (AP Photo)

Britain's Queen Elizabeth II gives a fly a royal brush off during Trooping of Color ceremony in London on June 13, 1959. The Queen sits sidesaddle on her police horse Imp for the ceremony that marked her official birthday celebration. (AP Photo)

Britain's Queen Elizabeth II waves to the crowd whilst travelling to a theatre in London, May 3, 1957. (AP Photo)

Bejeweled British Queen Elizabeth II flashes this smile during a reception at Paris Louvre Museum on April 10, 1957, given in her honor by the French government. (AP Photo)

Queen Elizabeth II, wearing the Imperial Crown, smiles and waves to crowd from balcony of Buckingham Palace on June 3, 1953 in London, on returning from Westminster Abbey following her coronation. (AP Photo)

Jul 21, 1927 - London, England, UK - The elder daughter of King George VI and Queen Elizabeth, ELIZABETH WINDSOR (named Elizabeth II) became Queen at the age of 25, and has reigned through more than five decades of enormous social change and development. For more than 50 years, during a period of great social change, The Queen has carried out her political duties as Head of State, the ceremonial responsibilities of the Sovereign and an unprecedented programme of visits in the United Kingdom, Commonwealth and overseas. PICTURED: QUEEN ELIZABETH II as a baby. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine