By Phil Vinter and Laura Cox PUBLISHED: 04:59 EST, 16 November 2012 | UPDATED: 09:53 EST, 17 November 2012 Prince Charles burst into an impromptu dance on a walkabout yesterday – and earned unexpected praise from the harshest judge on Strictly Come Dancing. Craig Revel Horwood gave Charles seven out of ten for his efforts. Charles and the Duchess of Cornwall, both fans of the BBC1 show, put their best feet forward on the final stop of their Diamond Jubilee Pacific tour. Scroll down for video Having a ball: Prince Charles displays a broad smile as he gives the crowd gathered in the centre of earthquake-hit Christchurch a dancing masterclass alongside psychology student Lisa Shannon
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Charles impressed the public as he twirled a female companion around to the sounds of 1940s swing jazz music
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Duchess, who is a well known fan of the BBC’s celebrity ballroom dancing show Strictly Come Dancing also took to the floor
Dancing @placeholder: The Duchess of Cornwall was the first to take to the