Katy Perry wows Berlin with numerous "naughty" numbers

With her promise of several "naughty" outfits and blossoming romance with Russell Brand, all eyes were on Katy Perry at Berlin's MTV Awards.

The I Kissed a Girl singer certainly delivered with no less than 12 spectacular costume changes.

She was giving nothing away as she arrived for the ceremony in a demure, Marchesa gown. But what followed shortly afterwards was an array of far more spectacular and seductive numbers...
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