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Katy Perry over the years: 21 cutest looks (Photos)

<div class="meta "><span class="caption-text ">Katy Perry appears at the press conference for her fragrance &#39;Killer Queen&#39; in Berlin, Germany on Sept. 25, 2013.  (James Coldrey &#47; startraksphoto.com)</span></div>
March 27, 2014 3:34:13 PM PDT