If you wanna know what your style is...check your vibe. Really investigate it. Feel it. Own it.
Who are you? What do you like? Are you introverted or extroverted? Do you like Bright colors? Pastels?
What feels good on your skin? What makes you itch? What type of fabric makes you sweat?
Do you like skirts? Scarves? Belts? Bracelets? Hats? Do you prefer heels or flats? Knee-highs or Ankle boots? Kitten heel or stilettos?
All of the answers to these questions may give you a good idea of what your style is. It takes a little while to cultivate a closet that truly exemplifies your taste in fashion as a whole....I'm not even sure you'll ever really do that since we're (hopefully) always growing and changing (long ago, 4 bags of flamin' hot cheetos seemed like a good idea, but doing something like that today might kill me). Regardless, you should be having fun finding your style.
The next time you go shopping, pay attention to what catches your eye. That's usually a good start. Walk up to it, pick it up and feel it. That's the next test. Then if it passes those two tests, try the bitch on. If you're not ABSOLUTELY EXCITED ABOUT IT, DO NOT BUY IT! (that's an ENTIRELY DIFFERENT post coming VERY soon!) If you're excited about bring it home and putting it on, you're one step closer to building the wardrobe of your dreams.
Take your time, though. You can't rush a collection of good pieces. That shit takes a lot of time and A TON of honesty with yourself. Don't just be buying shit cause it looks good on SOMEONE ELSE! Make sure it looks good on you, Mama!