The Prince of Wales and The Duchess of Cornwall Tour Oman - Day 1 [Getty Images]

MUSCAT, OMAN - NOVEMBER 05: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall leave the Al Bustan Palace Hotel to attend an official dinner on November 5, 2016 in Muscat, Oman. Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall are on a Royal tour of the Middle East starting with Oman, then the UAE and finally Bahrain. (Photo by Arthur Edwards - Pool/Getty Images)

Getty Images Entertainment Pool