Let me be honest, I don't care for blazers. I've never been too fond of them; however, fitted blazers a different story! May I suggest investing on at LEAST one fitted blazer for the days you'd like to kick the sophisticated look up a notch! This one from Charlotte Russe does the trick.
top: American Eagle, blazer (similar): Charlotte Russe, jeans: Target, booties (similar): Sole Society, earrings: American Eagle, eyeglasses: Bonlook