Hello, to lose weight is to lose excess meat. In fact, as long as it works, your chest will become smaller more or less. However, I suggest that you eat some breast enhancement foods, such as papaya stewed milk, trotter soup and so on, while taking diet pills. It is healthy and safe to lose weight under the condition of balanced nutrition and will not rebound. You can also do some exercises that are beneficial to chest development. I hope I can help you!