The best pictures from the annual Trooping the Colour ceremony in honour of the Queen's official birthday.
The event is held every year to mark the Queen's official birthday.
The Duchess of Cambridge arrived at the ceremony in a horse drawn carriage with the Duchess of Cornwall.
Prince William joined more than 1,000 soldiers and horses for the Trooping the Colour ceremony on Horse Guards Parade.
Big crowds lined the route of the parade in central London.
The display of pomp and pageantry comes from traditional preparations for battle. Colours were carried or "trooped" down the rank so that they could be seen and recognised by the soldiers.
Guards marched along The Mall towards Buckingham Palace during the annual Trooping the Colour ceremony.
Thousands of people lined the streets of central London for the event, while others found a more novel way to watch proceedings in Horse Guards Parade.
Following a 41-gun salute, fired by the King's Troop Royal Horse Artillery in Green Park, the royals gathered on the balcony at Buckingham Palace to watch an RAF flypast and a display by the Red Arrows.
The Queen celebrated her actual birthday on 21 April, when she turned 87, but today's ceremony marked her official birthday - which is always in June.