Taylor Swift, Jon Bon Jovi and the Duke of Cambridge
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Prince William sings with Jon Bon Jovi and Taylor Swift

27 November 2013 Last updated at 02:46 GMT

The Duke of Cambridge joined Jon Bon Jovi and Taylor Swift on stage for a rendition of Livin' On A Prayer at a charity event.

Prince William was hosting the Winter Whites Gala at Kensington Palace to raise money for Centrepoint homeless charity.