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Kelly Clarkson performed for the very last time on American Idol last night. This is the show’s final season.

Clarkson was the first winner of the show when it debuted in 2002. She attributes her wild success in the music industry to the show.

Clarkson sang “Piece by Piece,” the title track of her newest album. The performance moved Kieth Urban and herself to tears.

“I’m pregnant and it’s nostalgic,” Clarkson admitted after the performance.

The song is about her relationship with her absentee father. It tells the story about how her relationship with her now husband helped repair her view of men.