When it comes to finding the perfect Halloween costume [1], Instagram can serve as a great source of inspiration — especially if you're a woman who chooses to wear a hijab [2]. If the plan is to celebrate with something stylish yet modest, [3] we found no shortage of ideas, from Disney princesses to Wednesday Addams to evil Minions and even Harry Potter [4]. Get ready to flex those creative muscles and wow everyone come Oct. 31 once you get a good look at the 40 photos ahead.