It was all in celebration of Gwen’s 2004 album “Love. Angel. Music. Baby.” It’s been 15 years since Gwen Stefani dropped her hit debut album Love. Angel. Music. Baby., and to celebrate LAMB‘s milestone, she performed a medley of her songs on The Voice. LAMB helped land Gwen six Grammy Award nods and has gone on to become RIAA certified multi-platinum. The Voice coach rocked out to …