Grace Kelly and Prince Rainier
Despite her wholesome, girl-like image and her stunning self-possession, the Irish-American beauty Grace Kelly was far from the virgin princess when she married Prince Rainier.
One biographer claims Kelly -- by then one of the top actresses of her day -- had affairs with almost every one of her co-stars: Gary Cooper, Clarke Gable, Ray Milland, William Holden, Bing Crosby, Carey Grant and Frank Sinatra.
But she was also an incurable romantic. As a young child, she told her sister Peggy: "One day I'm going to be a princess."
She was one of Hollywood's hottest stars when she met Rainier III of Monaco's ruling Grimaldi family at a photo session in 1955 and began writing to him.
He came to see her in the US, and they got engaged after just three days.
Theirs was the first real celebrity wedding: it was broadcast live to more than 30 million viewers in Europe. There were rumours of infidelity but they stayed married for 25 years, until her death in a car crash in 1982.