Today marks the Queen's 91st birthday. And yes, this is just the first celebration, as she will celebrate her second official birthday on June 10.
Queen Elizabeth II has become something of a fashion icon, with her signature style defined by bold primary colours and pearl necklaces, always teamed with the classic black court heel.
We all know that she isn't afraid to inject some rainbow brights into wardrobe (think fuschias, emerald greens and the occasional saffron), yet Her Majesty always looks so elegantly poised and every inch of the model of royal decorum.
To mark this joyous occasion we have rounded up Her Royal Highness' most stylish ensembles throughout the ages - trust us, when we say there were a lot to choose from...
Happy Birthday Queen Elizabeth II...
queen outfits - Grazia
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The Queen wearing all green for her first annual garden party of 2011.
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The Queen and Prince Philip attending the wedding of Prince Pavlos to Marie Chantal Miller.
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Queen Elizabeth ll arrives at Aberdeen Airport with her corgis to start her holidays in Balmoral, Scotland in 1974.
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Queen Elizabeth ll on a visit to New Zealand as part of her Silver Jubilee Year Tour in 1977.
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Queen Elizabeth II in caftan style dress for a party at the Royal Windsor Horse Show in 2006.
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Queen Elizabeth II on the first day of Royal Ascot Races in 2007.
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The Queen wore all red when visiting RAF Marham in 2008.
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Queen Elizabeth II during a state visit to South Africa in March 1995.
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The Queen, complete with matching umbrella, visits the new National Tennis Centre in London 2007.
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Queen Elizabeth II on the balcony of Government House, Melbourne, during her tour of Australia in March 1954.
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The Queen with a group of local children during her state visit to Mexico, 1975.
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The day before her 90th birthday, Queen Elizabeth II opens the new Bandstand at Alexandra Gardens.
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Queen Elizabeth II on her way to unveil a statue of herself in Canada, 2010
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