- Carson Daly (Self - Host)
- Adam Levine (Self - Coach)
- Kelly Clarkson (Self - Coach)
- Queen Latifah (Self - Coach)
- Riley Green (Self - Coach)
The Voice — S15E12
Episode: The Knockouts, Part 2
Air Date: 2018-10-30
Overview
The coaches enlist iconic superstar Mariah Carey to act as Key Advisor on the second night of Knockouts, when the coaches pair their artists to perform solo, then select just one of them to move on to the Playoffs.