The singers will join mainstays Blake Shelton and Adam Levine as Gwen Stefani makes an exit after only one season.
With season 7 of "The Voice" underway, plans for season 8 have already been made.
19:43 'American Horror Story' Has Officially Been Renewed For Seasons 8 And 918
18:52 Astros avoid arbitration with Dallas Keuchel, George Springer18
03:44 Tax experts warn to get taxes in early due to new rules, law15
23:07 L.A. Rams Make Sean McVay the Youngest Coach in N.F.L. History17