Face of Nation : Prince Harry and Prince William took opposing sides at the charity event in Berkshire, and were cheered on by the Duchess of Sussex, as well as the Duchess of Cambridge and her children.
The Duchess of Sussex was dressed in a khaki green dress while the Duchess of Sussex wore pink.
It was a rare joint appearance for Meghan and Kate, who recently have only been photographed together during official events, sparking rumours of a feud between them.
One-year-old Prince Louis was pictured being held by his mother, while siblings George and Charlotte could be seen enjoying a kickabout together.
The Cambridge family were also spotted enjoying some lunch together in the back of their car.
Prince Harry and Prince William competed in the Khun Vichai Srivaddhanaprabha Memorial Polo Trophy during the King Power Royal Charity Polo Day in Berkshire.
Vichai Srivaddhanaprabha was the owner of Leicester City and died last year when his helicopter crashed outside the Premier League club’s stadium.