ST. TROPEZ, FRANCE - UNDATED: (FILE PHOTO) Princess Caroline of Monaco, a member of the Grimaldi family, attends an event in 1985 in St. Tropez, France. Princess Caroline married Ernst August V, Prince of Hanover in 1999 and is also titled as Caroline, Princess of Hanover. She will be celebrating her 50th birthday on January 23rd. (Photo by Michel Dufour/WireImage)
Les princesses Caroline et Grace de Monaco lors d'un concours de natation dans l'hôtel Monte-Carlo Beach à Monaco, le 16 juillet 1976. (Photo by Patrice PICOT/Gamma-Rapho via Getty Images)
PARIS, FRANCE - UNDATED: (FILE PHOTO) Princess Caroline of Monaco, a member of the Grimaldi family, attends an event in 1977 in Paris, France. Princess Caroline married Ernst August V, Prince of Hanover in 1999 and is also titled as Caroline, Princess of Hanover. She will be celebrating her 50th birthday on January 23rd. (Photo by Michel Dufour/WireImage)
Paris, France -- 3 April 1977, Princess Caroline of Monaco in Paris., (Photo by Francis Apesteguy/Getty Images)
La Princesse Caroline de Monaco visite une exposition florale le 4 avril 1985 a Monaco. (Photo by Patrick SICCOLI/Gamma-Rapho via Getty Images)
