Composer: KATY PERRY & LUKASZ GOTTWALD & MAX MARTIN
Composer: JOHN LOWRY & ROBERT CUMMINGS & BOB MARLETTE
Composer: JOHN LOWRY & ROBERT CUMMINGS & BOB MARLETTE
Composer: JOHN LOWRY & ROBERT CUMMINGS & BOB MARLETTE
Composer: James Culatto & Richard Camilleri & Robin Batchelor & Michael Gomez
Lyricist: James Culatto