Am I justified in feeling hurt if a long-time best friend stops talking to me?

Am I justified in feeling upset at this? We were extremely close for 9 years. Then she randomly stopped reaching out first, and kept saying we would meet up but flaked on me many times while making time for others. I got the message and sent her a closure message because I felt lead-on, and she said I’m overreacting and not justified in being so upset. Am I justified?

Am I justified in feeling hurt if a long-time best friend stops talking to me?
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