Take your favorite sweatshirt and turn it into a dress! Just layer it with a white shirt and wear a belt to have a better fit. Style it with a pair of boots and a stunning clutch and you are more than ready.
The final touch? Red lipstick, always.
Sweatshirt: Calvin Klein. Shirt: Forever 21. Boots: 3.1 Phillip Lim. Sunglasses: Cèline. Clutch: Pantera.