Something as simple as teaming a grey wool sport coat with black trousers can potentially set you apart from the crowd. Channel your inner Ryan Gosling and rock a pair of black leather oxford shoes to class up your look. Shop this look on Lookastic:
The Socialite Skirt DIY no-zipper skirt -- I love this lady, she has so many free tutorials that are easy and yet classy and don't look DIY but professional. I already have a few of her tutorials on my To-Do list.