Wednesday Addams Costume Idea To dress up as Wednesday Addams from The Addams Family, you will need to wear a black dress with a white collar and a black bow in your hair. You can also wear black tights or leggings and black shoes. To complete the look, you can add a pair of braids or a wig with straight, black hair. If you want to add a bit of personality to your costume, you can carry a stuffed animal or a toy spider with you. You can also add some pale face makeup or white face paint to give