The Duke of Cambridge and Prince Harry took to the field for the 2016 Audi Polo Challenge at Coworth Park, Ascot. England’s top polo players and VIPs came together for the two day event in support of four charities: Sentebale, Tusk, The Royal Marsden Cancer Charity and WellChild. Guests were entertained by the Grammy-nominated Ellie Goulding and critically acclaimed Jack Savoretti.