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"  Katy Perry may be known for her outr\u00E9 outfits, but when she served as a guest judge on The X Factor yesterday, the pop starlet looked ladylike in a blue-and-gold lace Jenny Packham sheath (see it on the runway) paired with violet Christian Louboutin pumps. Click here to read ELLE&amp;#039;s interview with Perry&amp;#039;s Brit beau, Russell Brand. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.elle.com/fashion/celebrity-style/news/a11289/red-carpet-buzz-katy-perry-452661/>