Rory Gilmore's homemade frock on 'Gilmore Girls' and Marissa Cooper's desig… People.com Celebrity News By: Diana Pearl · Lindy Segal · James Mercadante · Emily Krauser 9 May 2026 at 09:15 Rory Gilmore's homemade frock on 'Gilmore Girls' and Marissa Cooper's designer prom gown on 'The O.C.' are among the prom looks that made for memorable on-screen moments © <p>Buena Vista Pictures; Erika Doss/Prime Video; Randy Tepper / Alamy</p>