Gwen Stefani's children made her wedding to Blake Shelton official as they signed off as witnesses

Gwen Stefani’s Kids Were Signed Witnesses For Marriage To Blake Shelton, Certificate Shows

Gwen Stefani's Kids Were Signed Witness in Marriage to Blake

Gwen Stefani, 51, & Blake Shelton, 45, ‘Open’ To Surrogacy & ‘All Options’ To Expand Their Family