More than 1,000 soldiers and 250 horses traveled down the Mall from Buckingham Palace to Horseguards Parade with members of the Royal Family in carriages.
A 22-year-old Sikh soldier today created history by becoming the first to wear a turban instead of a bearskin hat during an annual parade that marks the birthday of Britain's longest-reigning monarch Queen Elizabeth II.
Her excitable wave in engagement photos with Prince Harry back in December was not quite royal-ready.
Meghan wore a Carolina Herrera dress and a hat by Philip Treacy.
As part of the day's pomp, almost 1,000 soldiers march to Horse Guards Parade and the Royal Air Force performs a flyover (which the royals famously watch each year from the balcony at Buckingham Palace).
The Queen celebrated her actual birthday on April 21 when she turned 92, but this second celebration is traditionally held on a Saturday in June to maximise the chances of good weather for the outdoor parade.
Our eyes are peeled every year for the Duchess of Cambridge's outfit at Trooping the Colour - and now Duchess Meghan's, too - but as usual, the adorable young royals are up there on our best-dressed list once again! It's a hairstyle choice that her sister-in-law, Kate, Duchess of Cambridge, has learned-after much criticism-should not be used for such events, especially when the winds will play havoc.
The Duchess of Cornwall and the Duchess of Cambridge arrived together after the queen while the Duke of Cambridge and the Duke of York rode in on horseback closely behind.
The ceremony culminates with a magnificent balcony appearance by the Royal Family.
Meghan Markle and Prince Harry are back from their honeymoon and already diving into their royal duties.