Photos: British royals show off dance moves
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LONDON, ENGLAND - DECEMBER 21: Prince William, Duke of Cambridge (L) dances with Vanessa Boateng (C) as his wife Catherine, Duchess of Cambridge (R) looks on during a reception at Centrepoint's Camberwell Foyer on December 21, 2011 in London, England. The national charity, Centrepoint, provides housing and support to improve the lives of homeless young people aged 16-25. (Photo by Ben Stansall-WPA Pool/Getty Images)