Horse Guards Parade, London, UK. 9 June, 2018. The world famous Queen’s Birthday Parade, also known as Trooping the Colour, takes place with The Coldstream Guards Trooping their Colour in front of HM The Queen and an audience of over 7,500 guests at Horse Guards in hot sunshine. Prince Harry and Meghan, The Duke and Duchess of Sussex arrive on the parade ground by carriage. Credit: Malcolm Park/Alamy Live News.