Carrie Underwood made her guest appearance in the season finale of the American Idol, 2008. She has been on American Idol so many times that she has almost become a regular fixture of A.I. Carrie has become very successful since A.I. brough her fame and a recording contract. Carrie looked pretty in her white dress and scarf. She would be giving a performance at the Big Sandy Superstore Arena on Saturday, June 14, 2008.