The trailer details the struggle between Snow White (Lily Collins) and her wicked stepmother (Julia Roberts).
It was revealed yesterday that the release date for the Tarsem Singh-directed movie has been pushed back to March 30 from March 16.
Mirror Mirror's release date was previously moved from June 29 to avoid a clash with rival fairytale film Snow White and the Huntsman, which Collins has previously revealed that she auditioned for.
Armie Hammer also stars in the film as Prince Andrew Alcott, alongside Nathan Lane as evil henchman Brighton.
Collins has promised a "completely different" and more comedic movie than Snow White and the Huntsman.
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See a gallery of images from Mirror Mirror below: