I want a Hollywood smile; what do I need to do with my teeth? (Photos)

I'm in fashion industry and always meeting people, overall I've good personality, but when it comes to my smile I look bad because, I have space in my upper front 2 teeth, and little space in my lower 2 teeth, upper front 2 teeth are bigger in size then the rest, and lower 1 tooth is not in symmetry, I want Hollywood smile, please recommend me what I need to do with my teeth? Please recommend me best possible solution with minimum possible cost.

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