Clueless

Clueless is a movie starring Alicia Silverstone, Stacey Dash, and Brittany Murphy. A rich high school student tries to boost a new pupil's popularity, but reckons without affairs of the heart getting in the way.
Shallow, rich and socially successful Cher is at the top of her Beverly Hills high school's pecking scale. Seeing herself as a matchmaker, Cher first coaxes two teachers into dating each other. Emboldened by her success, she decides to give hopelessly klutzy new student Tai a makeover. When Tai becomes more popular than she is, Cher realizes that her disapproving ex-stepbrother was right about how misguided she was -- and falls for him.