Billy Gilman will perform on the American Music Awards Jan. 8 along with an eclectic lineup that includes shock rocker Marilyn Manson and pop singers Jessica Simpson and Pink. Gilman's first holiday album, Classic Christmas, has just been certified gold (for sales of 500,000 copies). Other country acts scheduled to perform on the AMAs include Martina McBride and SHeDAISY. The members of Lonestar will serve as presenters, as will Jo Dee Messina, LeAnn Rimes, Brooks & Dunn and Kenny Chesney. The show will air on ABC.