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Katy Perry appears on 'Raising Hope' episode

<div class="meta "><span class="caption-text ">Katy Perry guest-stars as Rikki, a prison attendant, in the &#39;Single White Female Role Model&#39; episode of &#39;Raising Hope&#39; airing Tuesday, March 6 on FOX. (Fox &#47; Greg Gayne)</span></div>
February 23, 2012 2:40:40 PM PST