Prince Harry's wife, the Duchess of Sussex - who made her Buckingham Palace balcony debut at Trooping the Colour 2018 - will set off via train with Her Majesty, making their commute on the Royal Train.
Their tour will coincide with the 2018 Invictus Games, an global sporting event for wounded, injured and sick servicemen and women created in 2014 by Prince Harry.
Prince Harry and Meghan are headed our way. The pair were last seen out together at Prince Harry and Meghan Markle's royal wedding in May, although they were sitting apart during the ceremony.
Britain's Prince Harry and Meghan, Duchess of Sussex, take part in the Trooping the Colour parade in central London, Britain, June 9, 2018. She is due to join Queen Elizabeth in Cheshire for her first solo appearance alongside the Queen on Thursday.
The tour will be a particularly important milestone for the Duchess of Sussex as she settles into her role as one half of one of the world's most talked-about couples.
Instagram princesseugenieShe shared the snap ahead of Father's Day this weekend reportedly very close to her father
They were greeted by hundreds of Guardsmen in their scarlet tunics and bearskins on the parade ground before the Trooping the Color parade staged on Horse Guards Parade in Whitehall, London.
Meghan is fitting right in. "They will go on, and good luck to them, long after we are a republic".