Hairstyle is very important for all of us, especially for trans girl and crossdresser.
When you go to a wig shop, you must try on a lot of wigs. Don't let them sell you the first one, try several different types of hairstyles. If you still don't know how to choose a wig, you can ask your female friends for advice, because they know women better than you. You can also visit the fashion website, or follow fashion idols for inspiration. Get an idea of how different each one of those wigs make your face look. Choose the one that really work for your face, it's an important part of your appearance.