Sarah Brown makes cross-Channel dash to attend charity ball with JK Rowling

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Sarah Brown makes cross-Channel dash to attend charity ball with JK Rowling

Model-turned author Sophie Dahl looks on as her musician fiancé Jamie Cullum chats away to David Walliams. The Little Britain comedian offered a dance with him as an auction lot - which was snapped up by JK Rowling for £12,000 Photo: © Rex