Katy Perry at the 2009 MTV Europe Music Awards

Katy Perry hosted the MTV Europe Music Awards in Berlin on November 5, 2009. Take a look at her 12 exhausting (but impossibly stylish!) outfit changes of the night.

Sean Gallup, Getty Images

The aptly named "Kate" corset from Agent Provocateur was a natural fit for Katy, who wore it as the centerpiece of this saucy black and white look.

Kevin Mazur, WireImage

This stunning sapphire gown by Georges Chakra was just the thing to match Katy's baby blues as she swung from a crescent moon on stage.

Kevin Mazur, WireImage

Katie took a page from the Britney Spears "Circus" tour book when she dressed up in a sexy ring leader costume to host the show.

Kevin Mazur, WireImage

Katy looked statuesque in this white strapless mermaid gown with black floral overlay.

Venturelli, WireImage

Katy hammed it up in this raspberry and baby blue corset and boyshort combo with matching heels.

Kevin Mazur, WireImage

It simply wouldn't be Katy without something provocative and crazy, now would it? This outfit combined a nude bustier with blue spandex shorts with futuristic side spikes.

Jeff Kravitz, FilmMagic

Katie wore this funky cutout dress by Viktor & Rolf with geometric shapes strategically missing from the coral tulle skirt.

Dave M. Benett, Getty Images

Red velvet may be a Southern girl's favorite cake, but it looks like Katy prefers to wear it.

Kevin Mazur, WireImage

Where do we begin? Katy wore a Robin's Egg Blue leather outfit (and matching shoes) with a furry pink shrug.

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