You will slowly and gradually build muscle while losing fat :

Many women spend hours doing cardio in the gym to lose weight, without realizing that weight training can actually help them lose weight faster and achieve a firm, well-defined body.
Muscles burn more calories than any other body tissue. This means that the more muscles you have, the faster your metabolism will be. The faster your metabolism, the more weight you will lose.

If you have a good weight training program, you will slowly and gradually build muscle while losing fat!
This combined with a good diet, you will lose weight and have a beautiful figure: what all women dream of having.