The song was written by Rema alongside Stuart Matthewman, Sade Adu, P.Priime, and Andrew Hale, while production was handled by P.Priime.

[2] On 4 February 2025 2025, two days after the 67th Annual Grammy Awards, Rema announced the song's release date on his Twitter account.

[4] "Baby (Is It a Crime)" was written by Divine Ikubor, Andrew Hale, Helen Folasade Adu, and Stuart Collin Matthewman,[5][6] and produced by P.

[8][9] Rema delivers the lyrics of "Baby (Is It a Crime)" in a harsh and cool tone, initiating the narrative by confessing his love for a girl he has apparently just met.

[10] Aaron Williams of Uproxx praised Rema for incorporating Sade Adu's vocals into "Baby (Is It a Crime)" alongside a pulsating Afrobeat rhythm, resulting in a track that balances nostalgia with a fresh sound.