Eight 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. Season Eight winner Sawyer Fredericks will perform his single "4 Pockets" and Joe Jonas-led group DNCE will perform a medley of their singles "Cake By the Ocean" and "Toothbrush." Christina Aguilera, Adam Levine, Blake Shelton and Pharrell Williams star as the celebrity panel of coaches and Carson Daly ("TODAY Show") hosts.