Ashley Tisdale is scheduled to appear July 30 on the Jimmy Fallon Show.
Ashley has grown from a three-year-old model for JC Penney to an award-winning actress and rocker.
Ashley, at 24, is already show business veteran, having appeared on such TV shows as 7th Heaven, Beverly Hills 90210, Boston Public, Charmed and George Lopez.
She is in each of the three High School Musical movies, for which she won the 2009 MTV Award for Breakthrough Female Performance.