You Again (2010)

Sigourney Weaver, Odette Annable, Jamie Lee Curtis, Betty White

As a teenager Marni was the kind of girl no guy would go near and would be tormented by the mean girls, and no one was meaner to her than Joana the head cheerleader. Years later, she's a successful woman with a good job. When she goes home for her brother's wedding she discovers that her brother is