Nobody's Perfect is a song by English singer-songwriter Jessie J from her debut studio album, Who You Are. The song was written by Jessie J and Claude Kelly, and it was produced by Andre Brissett and Kelly, and refers to a struggle about perfection complex and regret over past indiscretions.[3] It was released as the album's third single on 27 May 2011 after being served to radio stations on 20 April 2011.[4] Its physical release was originally set to 23 May 2011,[5] however it was pushed back to 30 May 2011 for an impact release.[6][7] The single version was remixed by Tom Elmhirst and is slightly different than the album version with re-recorded vocals and a heavier beat. Nobody's Perfect peaked at number nine in the United Kingdom, becoming Jessie J's third top ten single.