A perfect compromise would be make a fantasy themed reception and even without properly cosplaying they both could be wearing historical European clothes as the Lords of the party... even the biggest normie would think is fancy and cool.
@alpha_125 the four of them are classified as Main tho, but I get what you mean.
These 2 remind me of my uncle and aunt. They have been married for 25+ years together and they bicker about some of the most pointless shit everyday. Yet they might be the most lovey dovey out of all my uncles/aunts.