David Beckham Signs Autograph On A Cheeky Girl's BOTTOM.

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His love of partying is said to be driving a wedge between one of the world's best-loved power couples.

And David Beckham was unleashing his daring side again on Sunday, when he was pictured signing a girl's bottom in Kernville, California.

Enjoying a spot of 'guy time' away from wife Victoria, the 42-year-old hunk had pulled over at a hardware store during his motorcycle road trip with a mate, when he was faced with the cheeky request.