Now, we've got our first look at Haig in the role – and don't worry, the braid remains intact.
On Wednesday, photographers snapped a shot of the Fringe alum in costume on Once Upon a Time's Vancouver set, and it looks like the show's Emmy-nominated wardrobe department did their job, producing a twinkling baby-blue gown that matches its CGI counterpart nearly exactly.
Her eyebrows are on point too, in case she's called upon to do this.
Once Upon a Time showrunner Adam Horowitz has promised that the ABC fantasy series's Frozen arc will honor the spirit of the animated hit with an original plot not taken from the film.
See a full image of Haig as Elsa, below:
R Chiang / Splash News Online