After the actress' fitting just a few days before showtime, hairstylist Aviva Perea and stylist Karla Welch agreed to do a "super curly disco hair." So how did they do it? "Starting with wet hair, I coated America's hair from root to ends with Oribe Grandiose Hair Plumping Mousse," Aviva explained to E! News. "Then using my Dyson dryer on low heat, I diffused her hair gently so not to break up her natural curl pattern. Then using a 3/8" curling iron, I defined her curls to give them extra definition. I then sprayed her hair with Dove Dry Shampoo for volume and Elnett Hair Spray for shine and hold."