American Idol's Scotty McCreery and Lauren Alaina made their Grand Ole Opry debuts during CMA Fest.  Lauren took the stage first and admitted it was an emotional moment for her.  She opened with LeAnn Rimes' "Blue." 

Scotty shared his gratitude and amazement when it was his turn to take the stage.  He called it "such an honor" to be on the show and admitted his life has changed so much in such a short time.  And he gave all the credit to his fans.  Both Scotty and Lauren say it was night they will never forget.  Watch both performances below.

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