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'The Voice' Season 9 Advisers
For season 9 of The Voice, there are some major stars who are coming aboard as mentors and advisers for each team. One megastar who is coming on as a key adviser in the season is Rihanna. How exciting is that? With the battle rounds in full swing, featuring 48 contestants who hope to win the title, the coaches are in need of some assistance. Check out this season's advisers and which teams they are on by clicking through our cast gallery. (Photo by: NBCUniversal)