Carrie Underwood returned to Oklahoma Saturday (May 6) to receive her college diploma from Northeastern State University. Prior to participating on American Idol, Underwood needed one semester to complete her degree. Since the Idol win in 2005, she fulfilled the college requirements and graduated magna cum laude with a degree in mass communications with an emphasis in journalism. Some Hearts, her debut album, has been certified triple platinum. Underwood will resume touring Friday (May 12).