The final night of battles has arrived. The teams are almost set; just three pairs of artists will duke it out for their shot at a trip to the upcoming knockout rounds. Once again Christina Aguilera, Blake Shelton, CeeLo Green and Adam Levine are joined by their advisors, Mary J. Blige, Michael Buble, Rob Thomas and Billie Joe Armstrong to help guide the artists. Tonight, there's just one steal remaining; Xtina must make a wise pick from the three artists who will become available.