Coach Niall Horan chimed in, “that was so beautiful. I’m really, really emotional.”
The performance was met by a standing ovation from the judges.
"I just can’t believe how amazing you are, every single time,” was Gwen Stefani’s immediate response.
The singer used her acoustic guitar, swooping high notes and lush vocal runs to differentiate it from the original.
Coach Reba McEntire chose "Blue" for the 16-year-old Missouri singer.
The Team Niall hopeful left it all on the floor during The Knockouts.
The Team Legend singer hit all her runs, high notes, low notes, the lot.
The Team Gwen pair tackled Bread's "Make It With You," which led the Billboard Hot 100 for a single week in 1970.
Wynonna will work alongside 'The Voice' coaches Niall Horan, John Legend, Gwen Stefani and Reba McEntire.
Team Gwen's singers brought power to the game.
