Katy Perry has been added to the list of performers at this year's Grammy Awards, which will air live on CBS on February 12.  Katy is up for two awards this year: Record of the Year and Best Pop Solo Performance for "Firework."  She joins a lineup that already includes Adele, Kelly Clarkson, Paul McCartney, Colplay, Rihanna, the Band Perry, Bruno Mars and Taylor Swift.

In addition, the first presenters for this year's Grammy Awards telecast have been announced.  They include Gwyneth Paltrow, rapper Drake and country stars Miranda Lambert and Dierks Bentley. 

The 54th Annual Grammys Awards, hosted by LL Cool J, will air live on CBS starting at 8 p.m. ET/PT.

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