"Firework" is a song by Katy Perry from her 2010 album, "Teenage Dream." The song features an upbeat pop sound and empowering lyrics that encourage listeners to embrace their individuality and potential. It became a commercial success, topping charts in multiple countries and receiving various awards. The music video for "Firework" showcases themes of self-acceptance and inspiration, featuring diverse individuals overcoming personal struggles. The song's message resonates with many, making it a popular anthem for celebrations and events, including New Year's Eve and Pride Month.