The trailer also features cameos from some of your faves asTommy DorfmanKeiynan LonsdaleandSophia Bush When You Can't Afford School Lunch, the Toll Is More Than Just PhysicalPretty Little Liars: The Perfectionistsmay have beencancelled after its first season majorly shattered hearts when he announced that he was [canceling all meet-and-greets]((http://www.teenvogue.com/story/justin-bieber-cancels-purpose-tour-meet-greet) on hisPurpose Kimberly J. Brown, who played Marnie in the first threeHalloweentown