Kate and Pippa lookalikes at London Fashion Week

21 February 2012 Last updated at 22:39 ET Help

Artist Alison Jackson - known for her fake celebrity photography - has teamed up with designer Philip Colbert, for the launch of his royal-themed autumn/winter 2012 collection.

Gabriella Douglas and Hannah Williams were dressed as Kate and Pippa for an off-schedule show for The Rodnik Band clothing label, as part of London Fashion Week.

Jackson explains her inspiration for the shoot, while both the designer and models say they hope the sisters will take the shoot in good-humour.

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