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.

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Shakira filled in for Aguilera on the coaches' panel for Season 4.

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.