Katy Perry always wants her lyrics to be honest, "no matter how much it hurts"
The Firework hitmaker - who split from husband Russell Brand in December - promises fans she will always tell the truth on her records, and finds going into the studio is often "cathartic."
She said: "People see the lyrics are a bit vulnerable sometimes, but I think that is what everybody wants to hear, they want to hear the truth, no matter how much it hurts."
She continued: "Writing songs is cathartic, it's definitely like I'm pushing something out. Whenever I feel I'm getting toward breaking point, rather than going into a bad place I just get my guitar, or get myself into the studio and free verse, freestyle."
Katy added she always carries a recorder wherever she goes in order to capture all the funny and interesting phrases, words or descriptions that come to her in her everyday life.
Her deluxe Teenage Dream: The Complete Confection album is released next Monday.