She has already demonstrated her poise and control in the saddle.

And yesterday, Zara Phillips showed she has similar skills in the driver's seat of a lorry.

Transporting her three horses from a riding event in Norfolk, the former BBC Sports Personality of the Year appeared unfazed by the size of the enormous vehicle on the country lanes.

Scroll down for more...

Transporting her three horses from a riding event in Norfolk, Zara appeared unfazed by the size of the enormous vehicle on the country lanes

She has had her HGV licence for just under a year since she took her test last May so she could drive her horses to and from events.

The 26-year-old show jumper said at the time : "I can now drive trucks up to 7,500kg. They're great until you get road rage because you can't overtake."

She added: "The braking time is totally different to a car."

Scroll down for more...

Zara showed she had poise and control in the driver's seat of the huge transporter

But it seems the Queen's granddaughter has made good progress on the road to becoming a more than competent trucker.

Yesterday an onlooker said: "It's a massive vehicle, and it looked like she was driving three horses and at least two grooms.

"But she looked very comfortable behind the wheel - very cool and in control."

Scroll down for more...

The BBC Sports Personality of the Year was on her way to the Gloucestershire home she shares with Mike Tindall

It is believed Zara was on her way to the Gloucestershire home she shares with England rugby player Mike Tindall, who now that he is facing a driving ban, may come to rely on Zara for transport.