Step 1: Brush your hair

Step 2: Part your hair, so half is over the right shoulder and the other half is over the right shoulder, like this:

Step 3: Grab your hair from the bottom, and make sure its smooth, no lumps. Like this:

Step 4: Put this side in A pony tail, it will keep it away, while working on the other side of your head. Like this:

Step 5: Try doint the same thing as in step 3. Make sure your hair is smooth:

Step 6: With both sides of your pony tail, it should look like this, or something close to these Pig tails:

Step 7: Go back over to the side you started with. Take your hand and slip it UNDER the pony tail holder, or scrunchie w/e you're using. Like this:

Step 8: Hold your hair after you take the scrunchie out, or pony tail holder, w/e. anyway, hold your hair MAKE SURE YOU DO NOT LET IT FALL. You could possibly try resmoothing it, if that helps.

Step 9: While you're holding your hair, put it in a bun. I'm pretty sure you're hand gets tired. Anyway, Here's how you want your bun to look. It will just sit there like it did a few steps before. Here's how your bun should look:

Step 10: Now with the other side of your hair, take it out of it's pony tail. However, don't let it drop, smooth it. :

Step 11:
Now, Carefully, center your hair, to the top of your head. Be very careful. Hold it there. Now, carefully, with your other hand take the bun out of your hair. Smooth both sides out if you wish, but be careful, don't drop it. Here's how it should look:

Step 12:
You hair is centered, and you have a pony tail holder/scrunchie. I want you to make a bun with your centered hair. He'res how it should look:

AND TA-DA : D Azula hair, now if you wan't to be really cool you could top off the bun, with a head piece. Or maybe a ribbon. This I just did a five minutes, so it's nothing fancy, and their you have it that's how you get Azula's hair style.