You know all the words to, 'I Kissed a Girl,' but do you know who the song as inspired by?

Katy Perry is getting ready for a huge weekend. Not only is she performing at the Grammy Awards this Sunday night, she's also gearing up to release a brand new single... and hopefully an entire awesome album.

As we wait for Katy's big performance, let's see how well we know the queen of sugary pop.

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