Celebrity Central / Top 25 Celebs
Credit: Curtis Hilbun/AFF-USA
Published: Monday June 10, 2013 13:00 PM EDT
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Clarkson also hit the stage with a slimmed-down Trisha Yearwood for a rousing rendition of (Yearwood's husband) Garth Brooks's "Ain't Goin' Down." (The bride-to-be previously joined forces with Aldean for their duet, "Don't You Wanna Stay.")
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