Celebrities were among the crowd watching the top-class polo action in the blazing sun at Windsor Great Park.
The first ever Audi International at the Guards Polo Club took place on Sunday with cups given out by HRH Prince Phillip.
Thousands of spectators enjoyed champagne, Pimms and fine food at the former Cartier International event.
Stylish guests included Doctor Who star Matt Smith, Strictly Come Dancing's Brendan Cole, Mamma Mia actor Dominic Cooper, Amy Winehouse's god-daughter and singer Dione Bromfield, and actress Gemma Khan.
Brendan's wife Zoe Hobbs tweeted on her Twitter page: "Perfect day at the @AudiUK Polo. Fun in the Sun :)."
One of the most anticipated fixtures in the polo calendar, the Coronation Cup was played as England beat South Africa nine goals to eight.
England captain Luke Tomlinson was named most valuable player after scoring the winning goal and was presented with the award by HRH Prince Philip.
Top Ten Articles
It's time to get voting as readers get their chance to decide the winner of the Independent Retailer of the Year at the inaugural Windsor and Maidenhead Business Awards.
A woman was declared dead in the early hours of this morning (Tuesday) after being pulled out of the water at the Racecourse Marina in Windsor.