With her daughter, Princess Caroline De Monaco, following dinner together. The Princess died on September 14 1982, at the age of 52, after suffering from a stroke while at the wheel of her car. She was travelling along a stretch of roadside Riviera and the fatal crash is said to have occurred where the picnic scene in To Catch a Thief was filmed in 1954. Her daughter, Stephanie, was also in the car but survived the collision. Here, the Princess is shown in Monaco in 1968.