My friend is having a formal but not black tie masquerade birthday party and I am unsure of what to wear.The party will take place indoors in the evening at a community center, with an attendance of about 20 people. I'm looking to impress some girls there so I would love if you guys could help me out that would be great. I would like not to have to spend any money or if i have to, then as little as possible. I currently have a black three piece suit but the vest is a little high and the original suit pants have been swapped with not very well tailored black trousers. The jacket, a two button notch lapel with double vents fit pretty well. I also have a white jacket, a navy blazer, and black peak lapel tuxedo that is about 8' too big in the stomach (darn you Klaes for ordering without any measurements) as well as a wide selection of shirts and ties. What do you guys suggest I wear? What about accessories like pocket square etc.?