And among the most pressing, particularly if you’re one of the millions with “Frozen” princess dresses hanging in your closet: What will Anna and Elsa be wearing this season?

For two years, the visual development artists Griselda Sastrawinata-Lemay and Brittney Lee designed and refined the costumes for Anna and Elsa, the heroines of Disney’s “Frozen 2,” due Nov. 22.

Here are seven things we learned from Disney's "Frozen 2" trailer, including what Anna and Elsa are really up to and who returns for the sequel.