I have three different mates and one is getting married in June and having hen do abroad.?

She has never met my other friends but we were all going together we were going to do it all as a block booking then she said you book for you and your friends and i will sort out mine. We all had our money waiting for flights and hotel then she said one just before Christmas Just thought i would tell you i have booked flights for me and Debbie if i was you i would get yours sorted..I have spoke to my other mates and i feel she doesnt want my other mates to go ..and i dont want to go now am i been petty need your honest opinon please.