David Cook performs.

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Oprah says she couldn't be more honored to be sharing the stage with Team USA™. "You make us all want to stand taller. You make us proud," Oprah says. "Thank you for representing our country and bringing home the gold, the silver, the bronze. Your hearts ... Your spirit of triumph. We thank you."

Also on hand to honor these inspiring Olympians is 2008 American Idol winner David Cook. David's here to perform one of the signature songs of the Beijing Summer Olympic Games, Time of My Life.