Bad bridesmaid?

Just looking for some advice. I sent out my save the dates in nov 2024. I asked 6 of my friends / family to be bridesmaids last August. The wedding is abroad and I said if they couldn’t come due to finances / if they didn’t want to be a bridesmaid etc they didn’t have to there was no pressure. Everyone was happy to do it. I am having a welcome party on the Friday and the wedding is on the Sunday. I have paid for all their hair, makeup, dresses and accommodation for 2 nights.

3 weeks before my wedding, one of my bridesmaids messaged me to say she forgot to book her flights and her and her partner only have a few days annual leave left and they don’t have much money, but a few weeks ago she took her boyfriend on an expensive trip for his birthday. She said it would be “ideal” for her not to come on the Friday and miss the pre wedding party because then she wouldn’t have to pay for any accommodation at all. She has now booked and she is missing the welcome party.

Would you be annoyed? What would you do?