What exercises can I do to get bigger breasts/butt?

Ok. I'm 13 and I am an XS or S in shirts. I'm a size 0 in pants. And i'm a 34A in bras. Are those good sizes in everything for my age? Can you answer that please... Also. I want bigger breast and a bigger butt. And I want a nice,hard,stiff stomach. Like how celebrity's have them... Can you tell... show more Ok. I'm 13 and I am an XS or S in shirts. I'm a size 0 in pants. And i'm a 34A in bras. Are those good sizes in everything for my age? Can you answer that please...

Also. I want bigger breast and a bigger butt. And I want a nice,hard,stiff stomach. Like how celebrity's have them...
Can you tell me any exercises I can do?
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