"Sweetheart" is a song originally recorded by American singer Rainy Davis. It was written by Davis and Pete Warner, and they produced it with Dorothy Kessler. The track was released in 1986 by independent record label SuperTronics as a single from Davis's 1987 studio album Sweetheart. A freestyle, hip hop pop, and synth-funk song, "Sweetheart" appeared on R&B and dance music-based record charts in the United States.