I hate my smile and my thin upper lips, want a smile makeover - suggestions? (photos)

. i have two bunny teeth which are although not visible when i dont smile but the moment i smile they are visible also my upper lips become very thin and also those yellow stains.i think my fat face also could be a reason that makes me difficult to smile. i am unable to open my mouth wide open, which i like to do. i want perfect teeth , perfect lips and perfect smile. please suggest me what to do?

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