MONTE CARLO - SEPTEMBER 18: (FILE PHOTO) Prince Rainier of Monaco, accompanied by his daughter Princess Caroline wearing a black lace mantilla, attending the funeral of his wife Princess Grace at the Cathedral September 18, 1982 in Monte Carlo, Monaco. (Photo by Tim Graham Photo Library via Getty Images)
MONTE CARLO - SEPTEMBER 18: (FILE PHOTO) Prince Rainier of Monaco, accompanied by his daughter Princess Caroline and his son Prince Albert walk behind the coffin of his wife, Princess Grace at the Cathedral September 18, 1982 in Monte Carlo, Principality of Monaco. (Photo by Tim Graham Photo Library via Getty Images)
MONTE CARLO - SEPTEMBER 18, 1982: (FILE PHOTO) Commemorative flowers and tributes are seen during the funeral of Princess Grace, wife of Prince Rainier of Monaco. in front of the Cathedral September 18, 1982 in Monte Carlo, Monaco. (Photo by Tim Graham Photo Library via Getty Images)
MONTE CARLO - SEPTEMBER 18: Prince Rainier III of Monaco with his children Prince Albert and Princess Caroline at his wife Princess Grace Kelly funeral on September 18, 1982 at the Cathedral of St Nicholas in Monte Carlo, Monaco. Princess Grace Kelly died in a car crash. (Photo by Michel Dufour/WireImage)
