"firework" is a 2010 song by katy perry from her second major-label album, "teenage dream". it was released on october 26, 2010. the song received a good review by music critics and claimed the top spot on "billboard" hot 100. the single hit top 5 on twenty charts worldwide. it reached the top three in most of the countries where it charted, including australia and the uk. it topped charts in the us, canada, and new zealand. in the us, it was perry's fourth number-one song altogether and the third in a streak of five number-ones. at the 2012 grammy awards, "firework" was nominated for record of the year and best pop solo performance.