17. The visual development artists considered 122 choices for Anna's wardrobe, which were originally designed for Elsa.
18. Stylistically, Anna's look was somewhat inspired by Sleeping Beauty.
19. This is the first film where both sisters wear pants. "We knew how much activity they'd be going through...[we wanted to be] sure that they can do what they need to do," said Griselda Sastrawinata-Lemay, one of the film's visual development artists.
20. The Arendelle emblem is featured in Anna's wardrobe.
21. Designers modified 19th century Norwegian style for Anna's wardrobe, even creating looks made of materials that would've been used during the time.
22. They had to redesign Elsa's feet, since she's barefoot during the film. "The way that we build characters, we build them with the knowledge of whether or not we're going to see parts of their bodies, so she needed to have some work done...those feet were built for shoes."