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The royal family attended Trooping the Colour, the king's birthday parade, on Saturday.
King Charles joined the parade on horseback outside Buckingham Palace in London.
Meanwhile, Queen Camilla, Kate Middleton, and the royal children greeted crowds from a carriage.
Trooping the Colour, also known as the king's birthday parade, took place in London on Saturday.
King Charles III waves from the car as he arrives at Buckingham Palace for the King's Birthday Parade on Saturday.
ADRIAN DENNIS/AFP via Getty Images
The parade has taken place annually for more than 260 years and involves a military procession of more than 1,400 soldiers, 200 horses, and 400 musicians.
Guards of the Household Division arrive to take part in the King's Birthday Parade on June 17.
HENRY NICHOLLS/AFP via Getty Images
This year marks Charles' first parade since becoming king, and he marked the occasion by riding on horseback — the first time that a reigning monarch has ridden at Trooping the Colour since 1986.
King Charles on horseback at Trooping the Colour on June 17.
HENRY NICHOLLS/AFP via Getty Images)
Charles was joined by his son Prince William, and his siblings Prince Edward and Princess Anne.
Members of the royal family arrive on horseback at Trooping the Colour on June 17.
BBC News
Queen Camilla shared a carriage with Kate Middleton, Princess of Wales, and her three children, Prince George, Princess Charlotte, and Prince Louis.
The Queen, Princess of Wales, Prince George, Princess Charlotte, and Prince Louis at Trooping the Colour on June 17.
BBC News
Prince Louis appeared unimpressed as he took in the crowds that gathered outside Buckingham Palace.
The royal children at Trooping the Colour on June 17.
HENRY NICHOLLS/AFP via Getty Images
But moments later, the young royal seemed overcome with laughter.
Prince Louis laughs at Trooping the Colour on June 17.
Aaron Chown/PA Images via Getty Images
Middleton was all smiles as they rode in a procession from Buckingham Palace and down The Mall.
The Princess of Wales and Queen Camilla attend Trooping the Colour on June 17.
Chris Jackson/Getty Images
Meanwhile, Sophie, Duchess of Edinburgh, shared a carriage with Princess Anne's husband Timothy Laurence.
Sophie, Duchess of Edinburgh, and Timothy Laurence during Trooping the Colour on June 17, 2023, in London, England.
Chris Jackson/Getty Images
Once they arrived at Buckingham Palace, the royals headed up to the balcony to watch around 70 different types of aircraft take part in the celebratory flypast.
Prince George, Prince Louis, Princess Charlotte, Kate Middleton, Prince William, King Charles III, Queen Camilla, Prince Edward, and Sophie, the Duchess of Edinburgh, on the balcony of Buckingham Palace for the Trooping the Colour on June 17.
Yui Mok/PA Images via Getty Images
They also took time to wave to onlookers gathered in front of the palace who were waving Union Jacks and vying for glimpses of the royals.
The royal family gathered on the Buckingham Palace balcony for Trooping the Colour on June 17.
ADRIAN DENNIS/AFP via Getty Images
At one point, Louis seemed to take the balcony appearance very seriously and gave a salute, much to the apparent amusement of his parents.
Prince George, Kate Middleton, Prince Louis, and Prince William on the balcony of Buckingham Palace during the Trooping the Colour on June 17.
Chris Jackson/Getty Images
But in what's become somewhat of a tradition for the 5-year-old, Louis was also photographed pulling a few show-stealing funny faces.
Princess Anne, Prince George, Prince Louis, Kate Middleton, Prince William, and Princess Charlotte on the balcony at Buckingham Palace during the Trooping the Colour on June 17.
ADRIAN DENNIS/AFP via Getty Images
After the flypast, the royals departed the balcony, with Charles and his granddaughter Charlotte giving the crowds one last wave.
The royal family depart the Buckingham Palace balcony during the Trooping the Colour on June 17.
Chris Jackson/Getty Images
