probably no boobs at all and completely depends on her weight, differs from person to person.
90 to 115
Diet
160-170 lbs
Girls please do not worry about your weight at your age because it is not important what is really important is your true inner beauty.
Approx. 145 lbs.
i think about 130 or so
You shouldn't be worried about weight at 13.
If you're 5 foot and weight that much, you should put on some more pounds.
You should weight about 100-120 lbs at 5 feet tall.
105 for girls and i think 110 for boys
weight
healthy is around 101-135.