I went from zero, to my own hero

from Katy Perry – Roar Lyrics on Rap Genius

Meaning

Katy went from being dropped by Columbia Records in 2004 with an album that was nearly done, to becoming one of the most successful female pop stars currently. She’s done everything the way that she felt right, and in doing so has gained self confidence.

…Shades of Hercules (the Disney version, of course).
http://www.youtube.com/watch?v=Pa0lMzaljTk

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