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The cover shows film stars Helen Mirren and Julie Walters, who joined the original Women's Institute models to strip for a new naked calendar for charity.

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Helen Mirren hides her apples while operating the cider press as Ms. January.

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Julie Walters slides her fingers across the ivories as Ms February.

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Ms July - actress Penelope Wilton - tends to her blossoms.

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Linda Bassett focuses on her brushstrokes as Ms October.

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Actress Celia Imrie covers her modesty with some well positioned buns.

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We see some of the original calendar girls who hope to sell more than 500,000 copies of their latest calendar.