Popsugar Fashion Halloween Once Upon a Time Halloween Costumes 22 Outfits From Once Upon a Time That Would Make Great Halloween Costumes September 30, 2015 by Samantha Sutton View On One Page Photo 9 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Belle The Signature Piece: The famous blue dress. Rachel Antonoff Hula Midi Dress $218 from anthropologie.com Buy Now Forever 21 Scoop Neck A-Line Dress $22.9 from forever21.com Buy Now Ooh! La Dee Elle Ooh La La Light Blue Midi Dress $48 from lulus.com Buy Now American Eagle Outfitters AEO Short Sleeve Button Down Shirt $39.95 from ae.com Buy Now Equipment Blouse - Short Sleeve Slim Signature $198 from www1.bloomingdales.com Buy Now Celine Vintage short sleeve shirt $150.05 from farfetch.com Buy Now Previous Next Start Slideshow HalloweenOnce Upon A TimeHalloween CostumesDIY Halloween CostumesEasy Costumes