"She had to shine. She had to jump out of the page, of the screen," costumer Mona May told E! News of what they wanted for Cher Horowitz's opening scene look. "We tried red and we tried blue, which is kind of like a more of a blond color, and nothing really had the pop, and when I found the yellow suit, the Dolce & Gabbana, and we put it on in the fitting, it was like sunshine, like a ray of sun just entered the room and that was what Amy [Heckerling] loved and everybody in the room reacted to it so incredibly because it really—you wouldn't think of yellow for a blond girl…But, that really was the perfect thing to embody her in that first scene."
As for the choice of plaid, "It had to be plaid. It's just quintessential school," May said. "You're taking this very much of a Catholic school uniform and now twisting it to high fashion and then transforming it yet again through the eyes of the high school girl."