THE full pomp and ceremony of the Royal Family was today put on show as they celebrated the most prestigious event of the year.
The Queen was joined by Prince Charles and William as they marked the Order of the Garter celebrations - which goes back 700 years and was inspired by the tales of King Arthur.
Crowds cheered as they greeted the Queen this afternoon, with the 92-year-old monarch dressed in the traditional velvet robe and plumed hat for the service.
Decked out in her glistening insignia, Her Majesty and Sovereign of the Order of the Garter arrived in a statement limousine before procession in a horse and carraige, waving regally at those gathered at Windsor Castle.
The event celebrates the traditions and ideals associated with the Most Noble Order of the Garter, the oldest surviving order of chivalry in the world.
Prince William was at the event with dad Prince Charles, with both wearing traditional velvet robes and caps adorned with ostrich feathers.
The second-in-line to the throne was made a member of the order in 2008 - two years before he married Kate Middleton.
The annual event celebrates the senior British order of Chivalry, which dates back to 1348.
It was set up by Edward III, with the Royal Family still marking the ceremony today.
It is said King Edward had been inspired by the tales of King Arthur when he set up the group of honourable knights and called them the Order of the Garter.
The event is held at St George's Chapel - which recently saw Prince Harry and Meghan Markle tie the knot - with it the order's spiritual home since the middle ages.
And while Knights - who can be both male and female - were previously chosen from aristocracy, members are today chosen in recognition for their public service.
The two newest members, Lady Companion Dame Mary Fagan, and Knight Companion The Viscount Brookeborough, were part of the procession this afternoon.
Knights of the Garter are chosen personally by the Sovereign to honour those who have held public office, who have contributed in a particular way to national life or who have served the Sovereign personally.
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Prime Minister Sir Winston Churchill was even one of the personally chosen knights.
Other members of the order include former prime minister Sir John Major, Lord Phillips of Worth Matravers, a past president of the Supreme Court, and Admiral Lord Boyce, a former head of the UK's armed forces.
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