The Voice Mark Isaiah: 'The Voice' is like boot camp, Adam Levine will eventually see me at the Grammys! 05/15/2017 Mark Isaiah was eliminated from The Voice when the twelfth season's Top 8 artists were determined on NBC. Read More RELATED NEWS Gwen Stefani confirms Las Vegas residency: "It's happening!"Gwen Stefani and her kids spend spring break in OklahomaGwen Stefani attends Jennifer Lopez's show in Las Vegas TAGS: The Voice Mark Isaiah Alicia Keys Adam Levine Lilli Passero