'The Voice' Sneak Peek: Blake Shelton Faces a 'Soul-Crushing' Decision in the Knockout Rounds (Exclusive)
— and Blake Shelton is already facing a «soul-crushing» decision!In ET's exclusive sneak peek at the Knockouts, which kick off on Monday, Team Blake's Hailey Green and Libianca take the stage to perform a song of their choosing, in an attempt to make it through to the season 21 live shows.Hailey kicks things off with a rocking rendition of Blake's own song, «God's Country,» earning massive praise from all of the coaches.«That was brave of you to sing the one and only Blake Shelton's song, right in front of him,» Ariana Grande raves, praising the 15-year-old's «strong» voice.«I've literally lost years off my life trying to get through that vocal, and listening to you sing that, holy crap!» Blake marvels.«You are like a baby Janis Joplin,»