Best friend wedding

Is it weird that my best friend of 17 years doesn’t have me in her wedding. We’ve been friends since we was 7 and 8. Though elementary,high school, her having cancer, our first jobs together. It’s like my sister. She got with this dude that I set her up with in high school. He originally hit me up on Snapchat but I told him she said he was cute and told her he said she was cute and they been together since. Me and him don’t see eye to eye on a lot but he’s mentality isn’t all the way there, in his eyes he’s always right in some type of way. Me and her has been conjoined by the hip since we was young. When she was 16 she had a tumor cut out of her and it wasn’t the boyfriend, bio dad, step grandparents or bio grandparents or step dad. It was me and her mom she wanted to see before she went to surgery. It was me at every doctor appointment. Do I have a right to be upset or should I just suck it up??? I’m highly upset about this ordeal she just text me a week ago because her friend didn’t have have her in her wedding and I let her vent and even reassured her that if I have a wedding she would be in it. And then she pulls this!! There honestly a lot that I could out but it’s literally 17 years of my life and at that point it would be a book this just kinda sums it up