Katy Perry: 'Part of Me' peek!

You know her for singing about human fireworks and teenage dreams, but there was a time in Katy Perrys music career where she sang about a single sacred subject: Jesus Christ. When I was five [years old], the guy that was preachin at the revivals he came up to me, an 18-year-old Perry says in this exclusive clip from her upcoming 3-D documentary Katy Perry: Part of Me. Out of a few thousand people, he said to me, Youre gonna sing.

Check out the clip below, and marvel at how, even at the beginning of her career, Perry never kept her hair a single color for very long:

Katy Perry: Part of Meopens July 5.

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