COPENHAGEN, DENMARK - MAY 13:  Former King Constantine II of Greece (R) and Queen Anne-Marie, sister to Queen Margrethe II of Denmark, arrive with their son Crown Prince Pavlos and his wife Princess Marie Chantal at the Royal Theatre to attend a gala performance on May 13, 2004 in honor of the upcoming May 14th wedding of Danish Crown Prince Frederik and Miss Mary Elizabeth Donaldson in Copenhagen, Denmark. (Photo by Pascal Le Segretain/Getty Images)