Bad Girls from Valley High (2005)

Three powerful high school girls, known for their ruthless reign, find their lives turned upside down with the arrival of a mysterious exchange student. As they grapple with the unsettling suspicion that she may be connected to a murder they committed a year prior, the trio experiences an alarming transformation: they begin to age prematurely. The once glamorous queens must confront their past and the consequences of their actions, leading to a thrilling blend of dark humor and mystery as they navigate the treacherous waters of high school life.