Princes William and Harry made a secret visit to West Sussex to test out their high-speed driving skills.
They were special guests at Goodwood Motor Circuit near Chichester, earlier this week.
Mr Bean actor Rowan Atkinson, well known for his love of cars, met the two princes as they arrived by helicopter.
They got to drive a range of cars including a McLaren F1 belonging to the actor.
Staff at the motor circuit were today staying tight-lipped about the Royal visit.
A spokeswoman at Goodwood said: "It was a private party and we are releasing no details."
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