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Julianne Hough, Rosie Huntington-Whiteley, Cameron Diaz and more are turning up the heat with their sexy swimwear – and toned physiques!
Updated: Tuesday Jan 10, 2012 | 06:00 AM EST
By: Kiran Hefa
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The svelte reality star proves that her fashion smarts extend even to swimwear, wearing a black cutout top and string bikini to cool down in St. Barts.
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