So, I have sort of made an agreement with myself to never feel obligated to go out and buy something new to wear to an event. I should be able to shop my closet. But then, the Ugly Christmas Sweater Party invite came along. It's local, smallish, will be VERY casual, and not related to work or social pressures. Just some people we know and the owner of the little restaurant/bar that is hosting it. I don't have and did not intend on buying 'said' sweater because I think it's silly to waste time/money on a "costume" for a few hours. I do have a silly battery operated light up Christmas mini bulb necklace which I intend to wear with an ivory tee that is "winter design" in nature and my red plaid flannel shirt over in case it's cool.

What would you do? Do you think it's fine to just wear what you have and don't worry about the "theme" of the party in it's exact sense?