Kensington Palace has shared a behind-the-scenes look at the preparations for Trooping the Colour, including the Prince and Princess of Wales' three children practicing their waves.
An excitable Prince Louis is seen walking down the palace stairs, while Prince George and Princess Charlotte appear calmer.
The trio joined their mother in what was their first public appearance since announcing to the world that she was undergoing cancer treatment in March.
As he reportedly continues chemotherapy, he decided to attend today's (June 15) celebrations, which mark the King's birthday.
