I Want To Be Formal But Im Here To Party Im Having My 14th Party In A Ballroom, I Want It To Be A Formal Dance Party, But I Cant Think Of A Good Theme?

Im having my 14th party in a ballroom, i want it to be a formal dance party, but i cant think of a good theme? - i want to be formal but im here to party

I want to dress people, but my friend just his party and it was Hollywood. I just want a very original title for my party.