Rihanna to Advise 'The Voice' Coaches This Season

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Rihanna attends the Diamond Ball at The Vineyard on December 11, 2014 in Beverly Hills.  

Rihanna is headed to The Voice.

NBC Entertainment Chairman Bob Greenblatt announced Thursday (Aug. 13) that the singer will serve as a key adviser to all the coaches on the new season of the singing competition show.

John Fogerty Joins Adam Levine as 'The Voice' Advisor

Blake Shelton, Gwen Stefani, Adam Levine and Pharrell will serve as coaches. The network previously announced that country star Brad Paisley would be an advisor to Shelton and John Fogerty will advise Levine

Season 9 of The Voice begins Sept. 21 at 8 p.m.