It was the twentieth song to debut at number one on the Billboard Hot 100, Perry's seventh number-one single on the chart, and her ninth consecutive number-one single on the Billboard Hot Dance Club Songs chart. Many critics theorized that the lyrics addressed Perry's divorce from British comedian, media personality and actor Russell Brand, although Perry stated it was not about him since it was written in early 2010.

Its lyrics describe a female protagonist who declares herself as unbreakable and strong following a break-up. 'Part of Me' was re-worked and officially released on February 13, 2012, through Capitol Records with artwork by art director Gavin Taylor and photography by Mary Ellen Matthews.ДЄ dance-pop and power pop song with a distinctive house beat, it has been compared to Perry's 2010 singles ' Firework' and ' California Gurls'. A demo of the song leaked online in late 2010, amid speculation that the lyrics were directed to the singer's ex-boyfriend Travie McCoy. The song was not included on the original edition of Teenage Dream because Perry felt that it did not fit the composition of the album. It was written by Perry and Bonnie McKee, with production and additional writing by Dr. ' Part of Me' is a song by American singer Katy Perry, released as the lead single from Teenage Dream: The Complete Confection.

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