Usher, Shakira to judge 'The Voice'
Sept 18, 2012
Shakira and Usher are to replace Christina Aguilera and CeeLo Green as mentors for Season 4 of the U.S. competition series "The Voice," NBC announced.Current "Voice" coaches Adam Levine and Blake Shelton will stay with the show when it returns for its fourth outing next spring.Aguilera and Green, who are leaving the series to fulfill other professional commitments, are expected to return the follo