1994: Princess Diana, her sons, and a detective leave the Chelsea Harbour Club in her green Audi Cabriolet. Some people believe that the Princess's high-profile ownership of this car helped transform the Audi badge from 'expensive Volkswagen' to the German megabrand it is today.

The Princess's Audi is still in the DVLA's computer, and probably worth a fair few quid to its current owner if they should want to sell it.

Display more Audi Cabriolet car photos from Bing