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As The Queen turns 90, we look at moments from her life as a princess right up to her current role as a great-grandmother.
A 17-year-old Elizabeth at Sandrigham in 1944.
The Queen on a visit to Vernon Park, Nottingham with the Duke and Duchess of Cambridge in 2012.
The Queen visits the Tower of London during their ceramic poppy installation to mark the centenary of World War One.
US President Barack and Michelle Obama visit Buckingham Palace in 2009.
During a nine-day tour to Canada in 2010.
Bill and Hillary Clinton meet with The Queen and the Duke of Edinburgh in 1995.
The Queen attends a garden party in the grounds of the Royal Hospital, Chelsea, London in 1967.
The Queen with her family in 1965.
Prince Elizabeth and Princess Margaret in Windsor in 1941.
A beautiful moment between The Queen and one of her corgis she bred but then gave away, taken in 1998.
The Queen with Prince Charles and his then fiancee, Lady Diana Spencer at Buckingham Palace in 1981.
The Queen and the Duke of Edinburgh with their family at Balmoral Castle.
On a visit to the Great Wall of China in 1986.
Princess Elizabeth and the Duke of Edinburgh on the balcony of Buckingham Palace after they were married in Westminster Abbey in 1947.
The Royal couple celebrate their diamond wedding anniversary in 2007 by returning to Broadlands, Hampshire, where they spent their wedding night.
Princess Elizabeth aged just five years old.
The Queen at her desk in Buckingham Palace with her corgi, Susan.
A great moment between mother and son, taken at the Braemar Highland Games in Aberdeenshire in 2006.
The Queen on a visit to the Royal Albert Hall in 2004.
The Queen visits the Queen Vic pub on the set of Eastenders and meets Barbara Windsor in 2001.
The Princess Elizabeth holding a beloved corgi in 1950.
The Queen presenting Mother Teresa with the Honorary order of Merit in 1983.
Princess Charlotte's Royal Christening by Mario Testino.