Mia is excited to enter a Design-a-Dress contest but shes pressed for time And when she tries to finish working on her dress during a Halloween cupcake party its a recipe for disasterWhen Mia reads about a Design-a-Dress contest in a magazine for budding designers ages she is excited But she doesnt realize how much work designingand sewinga dress truly is until she starts on her contest entry While Mia stresses out about all the work she has to do she and Katie have an argument about of all things fashion preferences Katie offers suggestions that dont really go with the outfit Mia has in mind And when Mia makes what she thinks is an offhand joke about Katies fashion sense it turns into a full-blown argument As Mia tries to finish working on her dress during a kids Halloween cupcake party she realizes that kids plus cupcakes plus silk dresses plus frosting equals a recipe for disaster.