Late by 9days

I waited till it was supposed to be the end of my period before I tested.. bfn and I’ve been taking one test every morning for the last 3days and all bfn.. I have really bad anxiety/panic attacks and that sometimes makes my period a few days early or late but not like this.. Wondering if my period is just rescheduling itself lol or should I be more concerned?? I did spot 3 days on the week of ovulation but not the day of actual ovulation.

Irregular periods my whole life till I had my daughter then they have been coming every month since 2012.