Carrie Underwood on Feeling Nostalgic at the 'American Idol' Series Finale

It was the grand finale of the farewell season of "American Idol" and "Extra's" Terri Seymour was on the red carpet catching up with singer Carrie Underwood, who won season 4 of the show.

Carrie explained why she's feeling nostalgic, and shared her desire to catch up with Bo Bice, who was the runner-up during her season. The singer also opened up about how much her life has been shaped by winning the show.

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