Mean Girls 2 will debut on ABC Family Sunday, Jan. 23 at 8 p.m., the network announced today. The direct-to-TV (and later to DVD) film stars Meaghan Martin as Jo, a new student, whose plan to avoid high school social politics is thwarted when she befriends Abby, the object of scorn for the “plastics.” The movie was written by Cliff Ruby and Elana Lesser, and Allison Schroeder, and directed by Melanie Mayron.