Christina Aguilera is to return as a coach on "The Voice" after taking a season off from the U.S. series to promote her album "Lotus," Zap2it.com reported.
However, Aguilera is expected to appear on Season 5 of the singing competition series, while Shakira is to depart at the end of the current season.
The other coaches this season are Blake Shelton, Usher and Adam Levine.
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