Answer
In the 2004 teen comedy film "Mean Girls," Lacey Chabert portrayed the role of Gretchen Wieners, a member of the popular clique known as the "Plastics." The film follows the story of Cady Heron (Lindsay Lohan), a new student at North Shore High School, as she navigates the complex social dynamics of the school, including her interactions with Gretchen and the other Plastics.