I've just arrived at a hen do that has been arranged and booked for months. 2 days ago a couple of the bride's friends said they are only staying for one night now so it will cheaper for them - however as it's an Airbnb the overall cost has not changed so the remaining 6 of us have had to chip in to make up the difference for them pulling out of the second night.
I was already a bit miffed about this and now I've just arrived and the two friends who have done this have claimed a bedroom with double bed and ensuite. They have said me and SIL can have that bedroom tomorrow night once they leave and until then we can sleep on the fold out bed in the lounge. I know usually it's first come first served and we were the last to arrive, but as they've pulled out and made it more expensive for everyone else I think they should be on the fold out bed. I don't particularly want to sleep in their dirty sheets either.
I don't know these friends and I don't want to spoil it for the bride so I've just gone along with it but inside I'm pretty annoyed and just think this is rude behaviour. AIBU?