Kelly Clarkson, Taylor Swift, Nicki Minaj, Bruno Mars To Play Grammys
Two-time Grammy winner Clarkson is nominated for Best Country Duo/Group Performance for "Don't You Wanna Stay" (with Jason Aldean).
It's expected that Kelly and Jason will perform their duet on the show. On Friday (13 ), Clarkson launches a 2012 tour in support of her latest album, "Stronger." more on this story
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