Popsugar Entertainment Halloween Once Upon a Time Costumes For Halloween 10 Fairy-Tale-Perfect Once Upon a Time Halloween Costume Ideas October 31, 2018 by Kelsie Gibson View On One Page Photo 1 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Emma Swan What to wear: A red leather jacket, jeans, and boots. Don't forget your sheriff's badge and sword to ward off mystical dragons. How to act: Tough but vulnerable. And like you do not believe in fairy tales. Previous Next Start Slideshow HalloweenOnce Upon A TimeHalloween CostumesGroup Halloween CostumesPop Culture Halloween CostumesTVDisney Halloween Costumes