Rainier III, Prince of Monaco, his wife Grace Kelly, Pricenss of Monaco, with their children Albert II, Prince of Monaco, and Caroline, Princess of Hanover, on a skiing holiday. (Photo by Daniele Darolle/Sygma via Getty Images)
Rainier III, Prince of Monaco, his wife Grace Kelly, Pricenss of Monaco, with their children Albert II, Prince of Monaco, and Caroline, Princess of Hanover, on a skiing holiday. (Photo by Daniele Darolle/Sygma via Getty Images)