Katy Perry isn't shy about bearing it all, but when it comes to music, she keeps some secrets. One of them just got out.
A song Perry recorded during sessions for her hit album 'Teenage Dream' has leaked, setting the web abuzz with speculation. Titled 'Part of Me,' rumor has it that the song was left off the album, but may be placed on an upcoming re-issue of her #1 hit record.
Listen to the whole song below and tell us what you think in the comments.