'Cold & hard' Kate Middleton has refined her "power play" For William

Kate Middleton uses a "power play" move to keep Prince William in check, according to a body language expert.

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The Prince and Princess of Wales celebrated St Patrick's Day with the Irish Guard on March 17.

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A body language specialist said Kate took her new duty as Colonel of the army seriously from William.

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Betfair Bingo's Darren Stanton claimed Kate's dress was meant to show "power" in her new role.

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The future King said he was "very unhappy" to hand over the Colonelship to his bride.

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Kate and William reportedly spat over Prince George's involvement in King Charles' coronation later this year.

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