18/12/2010 Katy Perry is at #1 on the US singles chart with "Firework"
Katy Perry - Firework (Official)
Katy Perry - Firework (From “The Prismatic World Tour Live”)
Katy Perry - Making of the “Firework” Music Video
"Firework" is a song by American singer Katy Perry from her third studio album, Teenage Dream. The song was commercially successful, reaching number 1 on the Billboard Hot 100 and the top 5 on 20 charts around the world. It has sold over 10 million copies in the US, and over 1 million in the UK.