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Julianne Hough over the years: 21 sexiest looks (Photos)

<div class="meta "><span class="caption-text ">Julianne Hough appears at a pre-Grammy party in Los Angeles on Jan. 23, 2014. (Lionel Hahn &#47; startraksphoto.com)</span></div>
April 8, 2014 2:59:37 PM PDT