Sources tell "The Insider" that Chris Brown will perform Sunday night along with country music duo Sugarland, and 20-year-old singer Adele.
Brown and Sugarland are nominated for two awards while Adele has four nominations including Record of the Year and Best New Artist.
The 51st Annual Grammy Awards air Feb. 8 on CBS.






Photo of the wolf pack in 'New Moon' just released! Hot or not?
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