BELFAST, NORTHERN IRELAND - MAY 21: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall pose with performers during a reception and  concert featuring performers from Northern Ireland at Hillsborough Castle on May 21. 2015 in Belfast, Northern Ireland. Prince of Wales and the Duchess of Cornwall will attend a series of engagements in Northern Ireland following their visit in the Republic of Ireland.  (Photo by John Stillwell -  WPA Pool /Getty Images)