Is there a non surgical way to change the shape of my breasts?

Many surgery techniques are offered to enhance the appearance of the breasts. Unfortunately, I'm not aware of any effective nonsurgical solutions. Best, Dr. ALDO.

From the description it sounds as though you have very large pendulous breasts. The most straightforward solution would be to do a breast reduction which includes reshaping the breast as well as making them smaller. Most patients who undergo breast reduction find it easier to lose weight as exercise is less encumbered with smaller breasts.

Dear Brickpanda,
Your BMI is 31 and your breasts are quite large. The heaviness of your breasts might be the reason for your moderate ptosis. So if your skin is elastic ( which most likely it is, since you are 16 ), losing weight will improve the shape of your breasts. I would recommend a book that will help you to eat right and lose weight - 'sugar busters'. If that measure is insufficient , consult with an experienced board certified plastic surgeon . Take in consideration that your breasts can keep growing up to age 22 - 24. So, if you will have breast reduction at age 16, your breasts might grow again and you might have to re operate. In summery , your best option at your age is to lose weight.
All the best,
Dr Widder