The Voice: Adam Levine Gets TROLLED by SURPRISE Blake Shelton Cameo!

On 'The Voice,' Adam Levine gets trolled by a surprise Blake Shelton cameo, thanks to rookie coach Kelsea Ballerini. The season 27 premiere kicked off with contestant Grace-Miller Moody singing one of Adam’s Maroon 5 songs, 'Sunday Morning.' While all coaches were pitching Grace to join their team following a four-chair turn, Kelsea uses her special button to activate voice recordings of Blake to taunt Adam!' The Voice' airs Mondays on NBC.