[It's with something almost like relief that Bucky dresses up for the party, in clothes similar to what he'd have worn back home, before the war (nicer, here, more refined and made with better cloth - he can afford it, now), because as used as he has got to the more modern styles, jeans and leather and casual shirts, this? This is what real, stylish clothes are supposed to look like.
He spends some time looking around the ballroom, walking about and admiring the decorations - and when he spots the lady responsible for all of this, of course he's approaching her... though he's also noticing that she seems a bit, well, fretting about things.]