Fun-loving Prince Harry’s expected to be on his best behavior during his US visit — but at least he’ll have some eye candy along the way. We hear supermodel Karolina Kurkova will hand out trophies at the Sentebale Royal Salute Polo Cup Wednesday at the Greenwich Polo Club. Also expected are beauties Elizabeth Olsen, Olivia Palermo and Stephanie Seymour, as well as designer Jason Wu and Torquhil Ian Campbell, the Duke of Argyll. Chef Hank Tomashevski’s catering a luncheon for 400 that’s a white-hot ticket for the upper crust, but we hear 60 VIPs get to attend a private reception at the Brant Foundation beforehand with Harry and Greenwich Polo owner Peter Brant. Harry is playing for the Sentebale Land Rover squad — captained by a regular on the England national team, Malcolm Borwick — while Brant’s given over his spot on the St. Regis team, led by Nacho Figueras, to Dawn Jones, the wife of Tommy Lee Jones and a top-ranked player. Sentebale is the prince’s charity for underprivileged children in Lesotho.