Pieces of Me (Ashlee Simpson song)

"Pieces of Me" is a song by American pop/rock singer Ashlee Simpson, released as her debut single. It served as the lead single from her debut album, Autobiography (2004). The ballad, which was jointly written and composed by Simpson, Kara DioGuardi and John Shanks and produced by Shanks, is a blend of pop and rock with lyrics about finding comfort and happiness in a relationship with a new boyfriend.

Released on May 17, 2004, "Pieces of Me" peaked at number five on the US Billboard Hot 100. Outside the United States, it reached the top 10 in several countries, including Australia, Denmark, Norway, and the United Kingdom. As of 2026, it remains Simpson's most successful song and her only single to reach the top 10 on both the Billboard Hot 100 and the UK Singles Chart. Billboard ranked the song at number 97 on its 2017 list of the 100 greatest choruses of the 21st century and number 26 on its 2020 list of the 50 greatest minivan rock songs. Rolling Stone named it one of the 250 greatest songs of the 21st century in 2025, ranking it at number 208.