'The Hills' embraces Auto-Tune and bouncy beats on her first LP.By Jocelyn Vena Heidi Montag's <i>Superficial</i> Photo: Pratt Productions Heidi Montag always dreamed of becoming a pop star like Britney Spears. For years she's been in the studio working with some of Spears' collaborators, like Cathy Dennis, who wrote "Toxic." And this week the "Hills" star released her first full-length pop album, Superficial, packed with bouncy, Auto-Tune-heavy tracks in which Heidi displays her sassy attitude. In her music and lyrics, Heidi shows none of the vulnerability we've seen from her on TV.