From flirty and playful to sexy and naughty, Leg Avenue has the best Halloween costumes online. Check out our collection of adult Halloween costumes and plus size Halloween costumes that will have you trick-or-treat ready! Whether you need a work Halloween costume or something for an epic costume party, we’ve for the largest collection of women’s Halloween costumes at the best prices. Don’t forget to check out our assortment of couples Halloween costumes and easy costume ponchos. Choose from matching Halloween costumes that are sure to win the prize and sexy DIY Halloween costumes for a look that’s all your own!