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The Queen's 90th birthday has been marked with a spectacular, star-studded show featuring more than 900 horses and 1,500 performers.
The monarch's family joined her in the royal box for the two-hour show in the grounds of Windsor Castle, with the event televised live by ITV.
ITV News royal correspondent Tim Ewart reports
The Queen and the Duke of Edinburgh have arrived for her 90th birthday celebrations in the grounds of Windsor Castle.
They were greeted by Prince Charles before taking their seats for the show.
Dame Helen Mirren has paid a glowing tribute to the Queen ahead of the Her Majesty's 90th Birthday Celebration at Windsor Castle.
Speaking to ITV News' Royal Editor Tim Ewart, Dame Mirren said the Queen has been "consistent, dedicated and hard working" throughout her reign and has a way of making "every single person feel special".
Sunday's event has been billed as a celebration of the Queen's life, her love of horses and her "dedication to the Commonwealth, international affairs and involvement with the Navy, Army and Air Force".
Latest ITV News reports
The two-hour live spectacular featured majestic displays of famous horse troupes from around the world.
The Queen's final star-studded birthday celebrations will kick off with an evening of entertainment chronicling the events of her life.