What would 'Frozen' be without 'Let It Go?' For 'Frozen 2,' another iconic Elsa song almost didn't make the final cut of the movie. Learn more about Disney's production here.

Frozen became a hit for Disney with critically acclaimed songs, with the film taking an arguably unconventional approach to the cast members who actually sing the movies' tracks.

In the preview, Elsa sings about feeling her powers growing. RELATED: Disney releases new trailer for 'Frozen 2' RELATED: Disney reveals first look at 'Frozen 2' with teaser trailer ...

Idina Menzel spontaneously shared a sweet moment singing "Let it Go" with two little girls dressed up as Elsa during a signing of her children's book 'Loud Mouse' ...

Watch as Willemijn Verkaik (Elsa) and Abla Alaoui (Anna) sing 'I Can't Lose You' from the German production of Disney's Frozen. The actresses began their run in the production, now in its second ...