No. 59: Katy Perry — Hottest Women of 2013

Not that Katy Perry needed to prove anything to anyone, but after already establishing herself as one of the world's best selling pop stars and one of the hottest women of 2013, she owned the 2013 Grammy ceremonies by simply showing off her gravity-defying cleavage. Having sold more than 75 million digital tracks, the raven-haired Perry has had countless top 10 hits such as "I Kissed a Girl," "Hot n Cold," "Firework," "E.T." and many more.

After dissolving her marriage to comedian Russell Brand, the impossibly pretty Perry has since started dating musician John Mayer. She expects to release her fourth studio album in the summer of 2013.

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