Well, I'm certainly no one whose opinion on fashion is either informed or educated. But, I happen to really prefer petite women, so I can tell you what I like. Though you haven't said where you want to choose clothes for. That's an important factor. Like work, leisure, party, etc.
In general, if your figure is decent, by which I mean thin to not too many pounds overweight, a good air of semi tight jeans is usually very good. Not REAL tight, just tight enough to cling a little. Petite girls tend to have very nice asses, and it's something that should be shown to best advantage.
If you're flat chested, which is what I prefer, going braless is an advantage, #1 because I'm a man and that's just delightful to me and #2 because the bra really isn't necessary other than in work or formal situations.
As far as blouses, well, a lot of that depends on your hair and eye color and what you look best in. Certain colors will compliment you, other colors, not so good. I'm sure you can find info on color coordination on line. As far as my personal preference, the simpler the blouse, the better. On small women, frills and lace and poofy stuff tend to overwhelm and take away from their appearance. Though loose, silk like flowing blouses can be very lovely. If you go braless, a soft, cashmere sweater can knock men over.
I dislike high heels. Not just on short women, on any women. Just personal preference. A nice pair of boots will never steer you wrong though, and a great pair of sandals can be dynamite if you have nice feet.
Short women are able, I think, to wear their dresses shorter, because that emphasizes their legs, which is good. As far as dresses in general, it depends on where you wear it, but the classic simple black dress will never do you wrong.
Using a scarf as a bandanna or a belt, while quite old fashioned, can be quite attractive as well.
You really need to find someone who can show you how to make the best of what you have. Learn to emphasize your best points. As I said, I happen to love small women, so I can only give you my personal preferences, which by any true fashion standards might be completely wrong.
