"Hey Baby" is a song by the American ska band No Doubt from their fifth studio album "Rock Steady" (2001). Written by band members Gwen Stefani, Tony Kanal and Tom Dumont, "Hey Baby" was released as the album's lead single in October 29, 2001 by Interscope Records. "Hey Baby" is heavily influenced by the Jamaican dancehall music present at No Doubt's post-show parties and tour bus lounges of their "Return of Saturn" tour. Its lyrics describe the with groupies at these parties.