William takes Kate for a drive in his father’s 1969 Aston Martin Convertible

That was quite a fleet of classic British cars hauling the blue bloods around London today for the Royal Wedding of Kate Middleton and Prince William.

After the wedding, Prince William borrowed his father’s car to take his bride for a ride: The rare 1969 Aston Martin DB6 Volante MKII that the Queen gave Prince Charles on his 21st birthday. The Seychelles blue roadster is one of just 38 that were built with the high-performance 4.0-liter, 325 hp. straight six.

The eco-minded Prince has had it converted to run on ethanol made from wine. Some might say that’s a better use for British wine than drinking it — but it’s because of EU winemaking quotas. Excess production goes to a biofuels maker to be distilled into fuel.

The prize for oldest ride went to the father of the groom, Prince Charles, and wife Camilla. They rode to Westminster Abbey the Queen’s Rolls-Royce Phantom