Prince Rainier nearly dropped the ring. The prince was so nervous during the ceremony that Grace (calm, cool, and collected as always) helped him place the ring on her finger.
Over 600 guests attended the wedding. In addition to a guest list boasting Greek shipping magnate Aristotle Onassis, France's Minister of Justice Francois Mitterrand, and American hotelier Conrad Hilton, movie stars Cary Grant, Ava Gardner, Gloria Swanson, and Jack Warner all attended.
The massive wedding cake held important significance for Monaco. The six-tiered wedding cake guests dined on at the royal reception was created with Monaco's pink palace in mind and featured scenes depicting the nation's history in sugar.
They didn't skimp on food. The afternoon buffet following the religious ceremony featured dishes like caviar, salmon, chicken, jellied eggs, cold lobster, and chicken, and guests were treated to plenty of Champagne.