The couple arrived via the rear entrance for the polo match at Ascot, Berkshire, accompanied by friends and protection officers.
Omid Scobie reports Harry played in support of military charities Support The Walk, The Gurkha Welfare Trust and the Household Cavalry Foundation.
The picturesque Coworth Park is the ideal place to enjoy the beautiful weather.
Today is a very poignant day for William and Harry marking what would have been their mother's 57th birthday. More from Hello!
'The Duke and Duchess of Sussex enjoyed spending some quality time together watching the polo on Sunday, on what would have been Princess Diana's 57th birthday.'
Yesterday, Meghan opted for a summery gingham print Shoshanna dress.
Today, the Duchess went for casual chic in a stylish white shirt and black skinny jeans.
The Duchess wore her much loved black leather Chanel flats. The eagle-eyed Laura notes she's had them for several years.
Meghan carried her Madewell x Baltimore Panama hat once again.
We'll see Harry and Meghan on Thursday for the ‘Your Commonwealth’ Youth Challenge Reception at Marlborough House in London. It's possible Meghan will make a Wimbledon appearance before then.