"Firework" is a popular song by American singer Katy Perry. It was released as the third single from her third studio album, "Teenage Dream," in 2010.

"Firework" is a powerful and uplifting pop anthem with an inspirational message. The song's lyrics encourage listeners to embrace their uniqueness and inner strength, comparing them to fireworks that can light up the sky and shine brightly.

The song was written by Katy Perry, Mikkel S. Eriksen, Tor Erik Hermansen, Sandy Wilhelm, and Ester Dean. It features Katy Perry's dynamic and emotive vocals, capturing the empowering spirit of the lyrics.

Upon its release, "Firework" achieved immense commercial success and critical acclaim. It topped the charts in multiple countries and became one of Katy Perry's most successful songs. The song's empowering chorus, Katy Perry's passionate performance, and its uplifting message resonated with audiences, making it a favorite among fans of pop music.

The music video for "Firework" features a storyline about several individuals who are struggling with their self-esteem and personal issues. As the song progresses, they find the strength to overcome their insecurities and embrace their uniqueness, culminating in a display of fireworks symbolizing their inner strength.

"Firework" received widespread praise from music critics, who praised its empowering and inspiring sound, as well as Katy Perry's vocal delivery.

Over time, "Firework" has remained a beloved and iconic song in Katy Perry's discography. Its uplifting and anthemic nature, Katy Perry's passionate vocals, and its celebration of self-empowerment and embracing one's individuality have made it a timeless pop anthem, capturing the essence of finding strength and confidence within oneself.