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Rosie Huntington-Whiteley's backless dress

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">Actress Rosie Huntington-Whiteley arrives at the 2011 Maxim Hot 100 Party with New Era, Miller Lite, 2&#40;x&#41;ist and Silver Jeans Co. held at Eden on May 11, 2011 in Hollywood, California. (Jason Merritt &#47; Getty Images &#47; Royalty-free)</span></div>
June 23, 2011 6:39:23 PM PDT