Britain's royal family took part Saturday, June 8, in the annual Trooping the Colour, a celebration of Queen Elizabeth II's official birthday. Trooping the Colour has marked the official birthday of the British sovereign for more than 260 years.

Elizabeth's real birthday is April 21, but official celebrations always take place in June. Britain's longest-serving monarch is 93.

Traditionally, the parade, which moves from Buckingham Palace down the Mall to Horse Guards Parade, gives the Queen a chance to review her army, with members of the royal family traveling on horseback or carriage.

Meghan, the Duchess of Sussex, made her first appearance at a public engagement since the birth of her son, Archie Harrison Mountbatten-Windsor, in May.

Prince Louis and Princess Charlotte gaze out a window at Buckingham Place to see soldiers on the Mall as part of the Trooping the Colour celebration. They are the children of Prince William and Catherine, Duchess of Cambridge.
Prince Louis and Princess Charlotte gaze out a window at Buckingham Place to see soldiers on the Mall as part of the Trooping the Colour celebration. They are the children of Prince William and Catherine, Duchess of Cambridge.
Victoria Jones/Press Association/AP
Soldiers make their way from Buckingham Palace to Horse Guards Parade in London ahead of Trooping the Colour.
Soldiers make their way from Buckingham Palace to Horse Guards Parade in London ahead of Trooping the Colour.
Victoria Jones/PA Images/Getty Images
More 1,400 officers take part in the parade, which gives the British monarch a chance to review her army.
More 1,400 officers take part in the parade, which gives the British monarch a chance to review her army.
Dominic Lipinski/AP
Elizabeth travels down the Mall in a carriage. When she was younger, the Queen would ride sidesaddle on horseback to greet the public.
Elizabeth travels down the Mall in a carriage. When she was younger, the Queen would ride sidesaddle on horseback to greet the public.
Frank Augstein/AP
Meghan, the Duchess of Sussex, makes her first appearance in a public engagement since her son's birth, riding with Catherine, the Duchess of Cambridge.
Meghan, the Duchess of Sussex, makes her first appearance in a public engagement since her son's birth, riding with Catherine, the Duchess of Cambridge.
Neil Mockford/GC Images/Getty Images
Britain's royals watch as airplanes fly overhead during Trooping the Colour.
Britain's royals watch as airplanes fly overhead during Trooping the Colour.
Chris Jackson/Getty Images
Prince Harry and Meghan chat with Jack Brooksbank, the husband of Princess Eugenie, during Trooping the Colour.
Prince Harry and Meghan chat with Jack Brooksbank, the husband of Princess Eugenie, during Trooping the Colour.
Chris Jackson/Chris Jackson Collection/Getty Images
Prince William and Catherine share a laugh with their youngest child, Prince Louis, during the celebration.
Prince William and Catherine share a laugh with their youngest child, Prince Louis, during the celebration.
Chris Jackson/Getty Images
Trooping the Colour makes a spectacular display in London.
Trooping the Colour makes a spectacular display in London.
Chris Jackson/Getty Images