1931: Princess Elizabeth takes her dog for a walk in London. She was not expected to become Queen at this point, although she was third in line to the throne. The Princess's early years were primarily spent at 145 Piccadilly, her parent's London house.
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1933: The future Queen Elizabeth II at Abergeldie Castle in Scotland at the age of seven. (Photo: Getty Images)
1936: Princess Elizabeth in the grounds of her London home, 145 Piccadilly with her beloved corgi. (Photo: Getty Images)
1937: King George VI of England on his Coronation Day with his wife Elizabeth, princesses Elizabeth and Margaret and his mother, Queen Mary. (Photo: Getty Images)
March 1939: Princess Elizabeth (right) and Princess Margaret in London after a children's party. (Photo: Getty Images)
June 1940: Princess Elizabeth reading at Windsor Castle, Berkshire, 22 June 1940, nearly a year into the Second World War. (Photo: Getty Images)
July 1941: The Queen Mother with Princess Margaret and Princess Elizabeth at Windsor Castle, on 8 July 1941. Their London home, Buckingham Palace had been hit 4 months earlier by a German bomb. The family refused to leave Britain, against Foreign Office advice. Their clothing was rationed from June 1941 on, as it was for all other children in the United Kingdom. (Photo: Getty Images)
April 1942: Princess Elizabeth learns to tie a knot with the girl guides in Frogmore, Windsor on April 11, 1942. Shortly after this photograph was taken, her father the King made her Colonel of the Grenadier Guards. She subsequently applied for official war work when she turned 16. (Photo: Getty Images)
1943: Princess Elizabeth and her younger sister Princess Margaret Rose with a land girl at harvest time, Sandringham, Norfolk, 17th August 1943. (Photo: Getty Images)
1945: Princess Elizabeth in her uniform as a second subaltern in the ATS, 1945. On 8th May 1945, peace was declared in Europe, and the Princess and her sister celebrated anonymously among the crowds outside Buckingham Palace. (Photo: Getty Images)
1946: Princess Elizabeth chatting with her father, King George VI on 8th July 1946. (Photo: Getty Images)
1946: The royal family arrive at the London Palladium for the Royal Variety Performance, 5th November 1946. (Photo: Getty Images)
1947: Princess Elizabeth and her fiancé, Philip Mountbatten, revealed they were to marry on the 10th of July, 1947. The pair had been friends for many years and they had corresponded by letter through the latter years of the war. (Photo: Getty Images)
May 1948: Princess Elizabeth chatting to Mme Bidault, wife of the French minister Georges Bidault, in the garden of the Palace of Versailles. She is wearing Norman Hartnell. (Photo: Getty Images)
December 1948: The Queen holds her eldest son and heir, Prince Charles, following his christening service at Buckingham Palace. Prince Charles wears the royal christening gown, which was also worn by his mother, made for Queen Victoria’s eldest daughter’s christening in 1841. (Photo: Getty Images)
1949: Princess Elizabeth attends the opening of the Royal Windsor Horse Show at Windsor Home Park, 12th May 1949. On the left is Geoffrey Cross, who founded the show in 1943. (Photo: Getty Images)
1950: Princess Elizabeth and Prince Charles watching a procession, during the visit of Queen Juliana of the Netherlands from the wall of Clarence House, London, 22nd November 1950. (Photo: Getty Images)
1951: Politician and tennis player Lady Domini Crosfield goes into tea with her guest, Princess Elizabeth, during one of the annual tennis parties given by Lady Crosfield at her mansion, Witanhurst, in Highgate, London, August 1951. (Photo: Getty Images)
1951: The Duke of Edinburgh dances with his wife, Princess Elizabeth, at a square dance held in their honour in Ottawa, by Governor General Viscount Alexander, 17th October 1951. (Photo: Getty Images)
1952: Queen Elizabeth II with two dogs at Balmoral Castle in Scotland, 28th September 1952. (Photo: Getty Images)
1953: Queen Elizabeth II and Prince Philip leave the House of Assembly in Hamilton, during a Commonwealth Visit to Bermuda, November 1953. (Photo: Getty Images)
1956: Queen Elizabeth II with Government minister Makaman Bida during her Commonwealth visit to Nigeria, February 1956. (Photo: Getty Images)
1956: Queen Elizabeth II at Badminton House, Gloucestershire, for the Badminton Horse Trials, April 1956. In the background (left) are Prince Philip, Duke of Edinburgh and the Queen Mother. (Photo: Getty Images)
January 1960: Queen Elizabeth II at Epsom Downs Racecourse for the Oaks Stakes, Surrey, shortly before giving birth to her second son, Prince Andrew. (Photo: Getty Images)
June 1961: At Buckingham Palace during a banquest held in his honor, American President John F. Kennedy and his wife, First Lady Jacqueline Kennedy, pose with Queen Elizabeth and her husband, Prince Philip. Mrs. Kennedy's dress was designed by Chez Ninon while the Queen wore a Hartnell gown. (Photo: Getty Images)
May 1965: Queen Elizabeth and Prince Philip with Jackie Kennedy and her children John Jr. and Caroline during the inauguration of Britain's Kennedy memorial at Runnymede. (Photo: Getty Images)
April 1970: Queen Elizabeth and Prince Philip visit Sydney on their Royal Commonwealth Tour. (Photo: Getty Images)
September 1972: Queen Elizabeth II and Prince Philip visit a farm on the Balmoral estate in Scotland, during their Silver Wedding anniversary year. (Photo: Getty Images)
April 1973: Queen Elizabeth walks to Church at Badminton, Gloucestershire, England. (Photo: Getty Images)
July 1974: Queen Elizabeth ll arrives at Aberdeen Airport with her corgis to start her holidays in Balmoral, Scotland. (Photo: Getty Images)
1974: HM Queen Elizabeth and Prince Philip, Duke of Edinburgh relax with their corgis and a newspaper at Balmoral Castle in 1974 in Balmoral, Scotland. (Photo: Getty Images)
February 1975: Queen Elizabeth visits an ancient pyramid during her state visit to Mexico. (Photo: Getty Images)
1975: Queen Elizabeth with a group of local children during her state visit to Mexico, February-March 1975. (Photo: Getty Images)
October 1976: Queen Elizabeth opening The National Theatre In London. (Photo: Getty Images)
January 1977: Queen Elizabeth II steps gamely into a puddle during her visit to New Zealand. (Photo: Getty Images)
October 1977: Peter Phillips, Princess Anne and HM The Queen Elizabeth II. (Photo: Getty Images)
July 1981: The Queen with Earl Spencer at the wedding of his daughter Diana Spencer, to Prince Charles at St Paul's Cathedral. Her Majesty is wearing the Williamson Diamond Brooch designed for her by Cartier in 1953, featuring an enormous 23.6 carat pink diamond as a 'jonquil' flower. (Photo: Getty Images)
1983: Queen Elizabeth toasts President Ronald Reagan at a banquet during the Queen's official visit to the US in March 1983 in San Francisco, California. (Photo: Getty Images)
October 1989: Queen Elizabeth wearing a mauve straw hat by Philip Somerville during her official tour of Singapore. (Photo: Getty Images)
August 1990: The Royal Family gather to celebrate the birthday of The Queen Mother. Left to Right: Prince Edward, The Queen, Princess Diana, The Queen Mother, Prince Charles and Princess Margaret outside Clarence House. (Photo: Getty Images)
June 1992: The Queen on a visit to Blois, France, wearing a dress and coat designed by Ian Thomas. (Photo: Getty Images)
June 1994: Queen Elizabeth walking past Princess Diana at the unveiling of the Canada Memorial Foundation Monument in Green Park, London. (Photo: Getty Images)
May 1996: The Queen at Chelsea Flower Show. (Photo: Getty Images)
September 1997: The Queen leaving Westminster Abbey after Princess Diana's funeral service. (Photo: Getty Images)
July 1999: The Queen meets an admirer at a garden party at the Palace of Holyroodhouse, her official Scottish residence in Edinburgh. (Photo: Getty Images)
November 1999: Queen Elizabeth attends the Royal Variety Performance at the Birmingham Hippodrome. (Photo: Getty Images)
October 2006: Queen Elizabeth and The Duke Of Edinburgh visit Tallinn, Estonia. (Photo: Getty Images)
July 22, 2011: She joined the Duchess of Cambridge for a tour of the Buckingham Palace summer exhibition, at which Catherine's wedding dress was on display. The Duchess chose a Joseph dress, while the Queen wore florals. (Photo: Getty Images)
March 4, 2015: The Queen at a ceremonial welcome for The President Of United Mexican States at Horse Guards Parade. She is wearing one of the Queen Mother's favorite brooches - a palm leaf design, created by Cartier from diamonds she already owned, in 1938. (Photo: Getty Images)
June 15, 2015: She led the Order of the Garter procession at St George's Chapel at Windsor Castle. The Order of the Garter is the most senior and the oldest British Order of Chivalry, having been founded by King Edward III in 1348. (Photo: Getty Images)
June 16, 2015: She wore pink to accompany the Duke of Edinburgh to the first day of Royal Ascot. (Photo: Getty Images)
November 27, 2015: Queen Elizabeth wearing the Grand Duchess Vladimir Tiara as she attends a dinner at the Corinthia Palace Hotel in Attard during the Commonwealth Heads of Government Meeting near Valletta, Malta. (Photo: Getty Images)
July 13, 2016: She received Theresa May, formally appointing her as Britain's new prime minister. (Photo: Getty Images)
December 8, 2016: Attending the Diplomatic Corps at Buckingham Palace gala, The Queen poses with the Duke of Edinburgh, the Prince of Wales and Duchess of Cornwall, and Prince William the Duke of Cambridge and the Duchess of Cambridge. (Photo: Getty Images)
March 16, 2017: Queen Elizabeth II and her husband Britain's Prince Philip, Duke of Edinburgh attend the opening of the newly refurbished National Army Museum in central London. (Photo: Getty Images)
May 31, 2017: The Queen visits Drapers' Hall for a luncheon on the occasion of the 70th Anniversary of Her Majesty's Admission to the Freedom of the Company in London. (Photo: Getty Images)
February 20, 2018: To present the inaugural Queen Elizabeth II Award for British Design, the royal attended the Richard Quinn autumn/winter 2018 show during London Fashion Week (for the first time). (Photo: Getty Images)