"Firework" este cel de-al treilea single promovat de Katy Perry de pe albumul "Teenage Dream". Piesa, compusa de Perry, Stargate, Sandy Vee si Ester Dean, beneficiaza de un videoclip regizat de Dave Meyers.
"Firework" is Katy Perry's third single from her album "Teenage Dream". The song was written by Perry, Stargate, Sandy Vee and Ester Dean, and the music video was directed by Dave Meyers.