Instagirls Halloween Dress Up is a dress-up game that revolves around Halloween. This Halloween edition of Instagirls is available. You will have an entire wardrobe of Halloween costumes to choose from. Each task you are given will require you to find every customer item.Instagirls Halloween Dress Up is a dress-up game that revolves around Halloween. This Halloween edition of Instagirls is available. You will have an entire wardrobe of Halloween costumes to choose from. Each task you are given will require you to find every customer item.