Richie makes a fashionable book-signing appearance in L.A. Plus: Justin Timberlake, Khloe & Kim, Katy Perry and more
Credit: Florian Seefried/Getty
Published: Thursday Oct 07, 2010 | 05:00 PM EDT
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After visiting Germany earlier in the week, Katy Perry heads to Austria Wednesday, where she performed at Vienna's Arena Wien. "Thank you Vienna, you were a lovely and very chic crowd," she Tweeted.
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