At Spicy Lingerie, we also feature plus size Halloween costumes in classic themes like witches, ghouls, and other dark and moody styles. Choose a theme that sets the mood for an evening of role-playing fun Plus size women costumes get ready to show off voluptuous curves in plus size costumes that highlight your silhouette. Plus Size Glamazon Warrior Costume. We got them on time and my wife loved them! Plus Size Grecian Goddess Costume.