"I'm a Mess" is a song by American singer-songwriter Bebe Rexha from her debut studio album, Expectations (2018). It was released as the first and only single from the album on June 15, 2018, following an early radio release in the United States. The song is produced by Jussifer and vocal produced by Devon Corey. According to Rexha, "The song is about accepting your own imperfections, and not dwelling on them but rather celebrating them".
On September 18, 2017, a snippet of the track was shared by Rexha via an Instagram story. The second snippet was released on April 20, 2018. On June 7, 2018, Bebe announced through social media that her upcoming debut album's first single, entitled "I'm a Mess", would be released on June 15, 2018.
"I'm a Mess" contains an interpolation of the 1997 song "Bitch", performed by Meredith Brooks. The electropop track was written by Rexha alongside Justin Tranter and Jussifer, while the latter handled production with Devon Corey.
The music video was directed by Sophie Muller and premiered on July 19, 2018. The video has over 450 million views as of September 2025.
Rexha performed the song on The Tonight Show Starring Jimmy Fallon, on the Teen Choice Awards, on the 2018 MTV Europe Music Awards. She also performed at the iHeartRadio Music Festival (along with "Meant to Be") and on Big Brother and America's Got Talent.