Queen Elizabeth II's style through the decades

This combination of photos shows, from left, Princess Margaret Rose feeding a biscuit to a Pembrokeshire Corgi held by Princess Elizabeth on July 5, 1936, Princess Elizabeth and Princess Margaret Rose on June 7, 1938, and Princess Margaret Rose and Princess Elizabeth at the International Horse Show in London on June 21, 1939. The princesses often dressed alike as children and into their teens.

Britain's King George VI and Queen Elizabeth appear with their daughters Princess Elizabeth, left and Princess Margaret, on the balcony of Buckingham Palace, London, June 22, 1939. The princesses often dressed alike until their teens.

Princess Elizabeth, 14, right, appears with her sister Princess Margaret before giving her first radio broadcast in London on October 13, 1940.

Britain's Princess Elizabeth talks to an ambulance officer at a stand-down parade at Buckingham Palace in London, on October 24, 1945.

Britain's Princess Elizabeth leaves Westminster Abbey in London, with her husband, the Duke of Edinburgh, after their wedding ceremony on November 20, 1947.

Britain's Queen Elizabeth II, then Princess Elizabeth, wears a silver gown with a diamond tiara and pearl necklace, in this August 30, 1949 photo.

This combination of photo shows Britain's Queen Elizabeth II attending a Service of Thanksgiving to mark the Centenary of the Royal British Legion at Westminster Abbey, in London, on October 12, 2021, left, at Paddington station in London, to mark the completion of London's Crossrail project on May 17, 2022, center, and at the Birmingham 2022 Commonwealth Games Queen's Baton Relay event outside Buckingham Palace in London on October 7, 2021.

Britain's Kate, Duchess of Cambridge, left, laughs as Britain's Queen Elizabeth II gestures while they watch a children's sports event during a visit to Vernon Park in Nottingham, central England, on June 13, 2012.

Britain's Queen Elizabeth sits next to Vogue fashion editor Anna Wintour as they view Richard Quinn's runway show before presenting him with the inaugural Queen Elizabeth II Award for British Design in central London on February 20, 2018.

Britain's Queen Elizabeth II wears a bright green outfit as she appears with Prince Philip, right, Prince William, center, his son Prince George, front, and Kate, Duchess of Cambridge holding Princess Charlotte, left, on the balcony during the Trooping The Colour parade at Buckingham Palace, in London, on June 11, 2016.