Can you tell me an guess of how much correcting at least my top teeth would be? (photos)

My teeth have always been bad. Lots of cavities, have had a couple root canals and some pulled teeth as well. I have very crooked teeth and have never been able to really smile. In fact, I'm not sure what a comfortable smile looks like on me... I plan on getting married next year and really, with all my heart, want to look amazing that day... I am afraid to ask how much this will cost and don't know if it's even something I can do.. but I think I need extreme surgery to correct what's wrong with my mouth.

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