Actresses Karen Gillan, Left, Royal Salute Brand Ambassador Torquhil Ian Campbell, 13th Duke of Argyll, and Emma Chna attend the Sentebale Royal Salute Polo Cup on June 5, 2017 in Singapore. The Sentebale Royal Salute Polo Cup is held to raise funds for Prince Harry’'s charity Sentebale, which supports vulnerable children and young people living with HIV in Lesotho and Botswana.(Photo by Chris Jackson/Getty Images for Royal Salute)