As with blazers, a leather jacket can go with pretty much anything. And it is a phenomenal way of wearing your "too fancy for daytime" dresses to more than the company holiday party. Add some sneakers and you've really toned down your dress.
Black Cocktail Dress-gifted
Black Leather Jacket-Target
Plaid Slide One Shoes-Forever 21
Crossbody Bag-Coach, gifted