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 5 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Snow White What to wear: You'll need a long leather jacket with matching gloves, riding pants, and boots. Don't forget your enchanted bow and arrow that always hits its mark. How to act: Completely innocent, but capable of causing some trouble. Previous Next Start Slideshow HalloweenOnce Upon A TimeHalloween CostumesGroup Halloween CostumesPop Culture Halloween CostumesTVDisney Halloween Costumes