by Radar Staff
The Voice's judges -- Adam Levine, Cee-Lo Green, Blake Shelton and Christina Aguilera -- joined up for a quartet on NBC's newest hit Tuesday night.
In a nod to the intense pressure the remaining four contestants are going through, the four music stars performed Queen's 1981 hit, Under Pressure.
As usual, Aguilera shined, drawing upon her her rich, show-stealing pipes to make the song her own.
Watch the video on RadarOnline.com
The Voice's season finale airs Wednesday at 8/7c on NBC.