3 ways to look dressed up even when you don't have a suit
While wearing a suit is still the best option to be appropriately dressy at an event that demands it, there are some other options that will get the job done.
One thing you can't do: wear a tie without any kind of jacket or additional layer. That's just a no-no. It's really all about having another layer of shirt to complete your outfit.
These aren't going to get you into any black-tie events, but in a pinch, they should work for your next cocktail party.