Kate Middleton wears the engagement ring of Diana, Princess of Wales, as she poses for the media with Britain&#39;s Prince William  following the announcement of their engagement, at St. James&#39;s Palace in London, Tuesday Nov. 16, 2010. The couple are to wed in 2011. &#40;AP Photo&#47;Kirsty Wigglesworth&#41; <span class=meta>(AP Photo&#47; Kirsty Wigglesworth)</span>
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