American Idol Season 2 runner-up who released his multi-platinum debut album, Measure of a Man, in 2003.
He studied special education at UNC at Charlotte before trying out for American Idol.
His second album, Merry Christmas with Love, became the fastest-selling holiday album since 1991. It was certified Platinum in January 2005.
He is the son of Vernon Grissom and Faye Aiken Parker. Vernon and Faye divorced and Faye married Ray Parker, father of Clay's step-siblings Jeff and Amy. He also has a half brother named Brett. Clay and his friend Jaymes have a son named Parker Foster Aiken.
He lost the American Idol finale to Ruben Studdard in 2003.