Grace Kelly and Prince Rainier III
Grace Kelly, who died 30 years ago this week, was one of cinema's iconic stars and her marriage to Prince Rainier III of Monaco was appropriately lavish. After all, this was real royalty marrying Hollywood 'royalty'. After the prince and his filmstar bride's civil ceremony, an opulent gala was held and all the Monegasque population could attend. In terms of wedding presents, Aristotle Onassis gave the happy couple a 147-foot yacht, while the people of Monaco gave them a cream and black Rolls-Royce convertible.
Click through to see more of the most expensive royal weddings in history.