Popsugar Living Halloween Costumes 2019 Best Halloween Costumes Under $50 The 50 Best Halloween Costumes This Year — and They're All Under $50 9 August 2019 by Rebecca Brown View On One Page Photo 22 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 22 Girls' Mary Poppins Halloween Costume All this Girls' Mary Poppins Halloween Costume ($30) needs is a big bag full of magic and goodies! Girls' Mary Poppins Halloween Costume $30 from target.com Buy Now Previous Next Start Slideshow Halloween Costumes 2019ShoppableHalloween CostumesHalloween