See more pictures of Grace Kelly and Prince Rainier III with Bing

Who: Prince Rainier III of Monaco and actress Grace Kelly.

Star quality: Grace Kelly was a movie star in an age when the word "star" meant more than just "reality TV wannabe desperate for fame". Back then, star meant "star".

Grace quit acting when she married, so to free her from her contract with movie studio MGM, the royal couple agreed to let the studio film the ceremony, and granted them worldwide distribution rights. Wedding guests included David Niven and Paris Hilton's great-great-grandfather Conrad Hilton. Frank Sinatra, ever the gentlemen, decided not to attend for fear of upstaging the bride.

Wow factor: The dress, which was said to have taken 36 fulltime seamstresses six weeks to complete, was made by the MGM wardrobe department as a gift to Princess Grace.

What Wills and Kate can learn: Straight after the wedding Prince Rainier banned films starring Grace Kelly from being shown in Monaco, a law still in place today. Wills would have to take the less direct route and ask parliament if he wants those shaky shots of Kate's school plays to be withdrawn from public view.