Royals from around the world attend a gala hosted by Queen Elizabeth II

Britain’s Prince Philip, the Duke of Edinburgh, who is Queen Elizabeth II’s husband  (Matthew Lloyd / Getty Images)

Britain’s Prince Charles and his wife, Camilla Parker Bowles, the duchess of Cornwall.  (Glyn Kirk / AFP / Getty Images)

Britain’s Prince Andrew, the duke of York, and his daughter Princess Eugenie of York  (Paul Ellis / AFP / Getty Images)

Britain’s Princess Beatrice of York, daughter of Prince Andrew  (Alastair Grant / Associated Press)

Britain’s Prince Edward, earl of Wessex, and his wife, Sophie, countess of Wessex  (Pascal Le Segretain / Getty Images)

Britain’s Princess Alexandra, left, also known as Lady Ogilvy, and her children James and Marina Ogilvy  (Paul Ellis / AFP / Getty Images)

Greece’s exiled King Constantine, left, kisses the hand of Princess Michael of Kent, the Baroness Marie Christine Agnes Hedwig Ida von Reibnitz.  (Paul Ellis / AFP / Getty Images)

Denmark’s Queen Margrethe II  (Paul Ellis / AFP / Getty Images)

Belgium’s Prince Philippe and Princess Mathilde, Duke and Duchess of Brabant  (Paul Ellis / AFP / Getty Images)

Kuwait’s Sheikh Ahmad Hamoud Al-Sabah  (Paul Ellis / AFP / Getty Images)

Serbia’s Crown Princess Katherine  (Paul Ellis / AFP / Getty Images)

Serbia’s Crown Princess Katherine and her husband, Crown Prince Alexander II.  (Paul Ellis / AFP / Getty Images)

Spain’s Queen Sofia  (Pascal Le Segretain / Getty Images)

Spain’s Queen Sofia, right, with her son Prince Felipe of Asturias and his wife, Princess Letizia of Asturias.  (Paul Ellis / AFP / Getty Images)

Luxembourg’s Grand Duque Henri and wife Maria Teresa  (Paul Ellis / AFP / Getty Images)

Brunei’s Sultan Hassanal Bolkiah and wife Raja Isteri  (Pascal Le Segretain / Getty Images)

Norway’s King Harald  (Alastair Grant / Associated Press)

Norway’s Queen Sonja  (Alastair Grant / Associated Press)