"Hey Baby" Is A Song Written By Gwen Stefani Tony Kanal Tom Dumont And Bounty Killer For No Doubt's Fifth Studio Album Rock Steady 2001 . The Song 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 Debauchery With Groupies At These Parties.