White Black Polka Dot Halter Dress Hot Topic Black White Polka Dot Halter Dress ShirtsNThingsAZ Vintage Blue Polka Dot Midi Halter Dress Selected by KA.TL.AK Free People Polka Dot Stripe Halter Maxi Dress Ivory Shop All Accessorize Global. halter dress featuring a bold black polka dot pattern on a white background. It has a deep V neckline with a front tie knot that creates a keyhole cutout effect, adding a touch of flirtiness. The skirt is voluminous and gathered at the hem for a bubble style silhouette, which adds fun movement and texture to the overall look.