What could I do to improve my body?

PessimisticLoon
I recently just got measured (had to get fitted for a dress) and my measurements were 34-25-36. I am 5'4 and slightly under 115. I know that I don't have the "ideal" body and I was just wondering what I could do to improve it.

P. S. I am 15 if that matters.
What could I do to improve my body?
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