Nine artists will be revealed as safe by America's votes. The bottom two artists will then compete for the Instant Save and one will be eliminated. Christina Aguilera, Adam Levine, Blake Shelton and Pharrell Williams star as the celebrity panel of coaches and Carson Daly ("TODAY Show") hosts. ACM winner Thomas Rhett will take the stage to perform, for the first time, his latest Top 15 single "T-Shirt" off his sophomore album "Tangled Up".