Songs You Didn't Know Were Written Katy Perry

This week we discovered that Taylor Quick was the pen behind her ex Calvin Harris' most recent hit, "This Is The thing that You Wanted" — however did you realize that her irresolute rival Katy Perry has additionally composed various melodies for different craftsmen? From Kelly Clarkson and Britney Lances to Quick's BFF Selena Gomez, Perry is no more odd to presenting tracks (and infrequently singing reinforcement on them). Look through now for the astounding rundown, then look at the tunes that you most likely didn't know were composed by Justin Timberlake and, obviously, Sia.