Monaco National Day: Gala At The Grimaldi Forum In Monaco City, Monaco On November 19, 2001. [Getty Images]

MONACO - NOVEMBER 19: Monaco national day: Gala at the Grimaldi forum in Monaco City, Monaco on November 19, 2001 - Prince Albert of Monaco, Prince Rainier of Monaco, Princess Caroline and Prince Ernst August of Hanover. (Photo by Pool BENAINOUS/SCORCELLETTI/Gamma-Rapho via Getty Images)

Gamma-Rapho Pool BENAINOUS/SCORCELLETTI