Enter Clay Aiken. Before this multiplatinum star hit it big on American Idol, he was a dedicated special education teacher. When he heard about the twins' hard work, he jumped at the chance to help.
Clay heads to Nebraska to surprise Britney and Bethany at their school. "I'm here on behalf of Oprah," he tells the two ecstatic sisters. "She's honoring amazing graduating seniors this year, and so I'm here to let you know that you're on your way to Chicago to be on The Oprah Winfrey Show."