"Come On Over Baby (All I Want Is You)" is a song by American pop/R&B singer, Christina Aguilera, taken from her 1999 self-titled debut album. The song was a major success worldwide, becoming Aguilera's third chart-topping single in the United States, and fourth to reach the top-10. Aguilera co-wrote the song with Johan Aberg, Paul Rein, Ron Fair, C. Blackmon, R. Cham, E. Dawkins, Shelly Peiken and Guy Roche. It is Aguilera's first co-written single.