Shop Spirit for Easy Women’s Halloween Costumes! If you don’t want to spend a long time on your Halloween costume but still want to wow everyone at the party, pick one of these easy costumes for women that are sure to be a hit. Go wild in a cheetah or tiger catsuit costume, be a pop star, an angel, or throw it back to the sixties in a flower power hippie costume dress. Whether you’re going for spooky, sexy, classic or pop culture looks, these simple women’s costumes make dressing up for Halloween a snap. Spend more time having fun when you opt for an easy costume or even a costume kit. These looks make it simple to dress up for Halloween with minimal effort. All you have to do is put it on and you’re all set for an exciting Halloween.