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Robert Redford and Prince Charles at Sundance launch

29 April 2012 Last updated at 09:05 BST

There was a rare combination of British Royalty and Hollywood stars last night when Prince Charles and actor Robert Redford met at the Sundance London film and music festival.

It is the first time the prestigious festival has been held outside America and it opened with the premiere of a documentary which is narrated by the Prince.

Simon Clemison reports.