In the song, entitled "Unconditionally," the pop star sings about unconditional love and that whomever she's singing about (John Mayer?) has "nothing to fear" because she will love them unconditionally.
This song is definitely a little heavier than the traditional pop ballads we're used to hearing from Katy, but she did recently say that she was going through a lot when she was working on this album and that there would be some "intense" music on there.
Listen to Katy's new song below and tell us what you think.
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Gallery | Katy Perry's Red Carpet Style