First of all, exercise. You can't get in good shape through diet alone. Exercise is more than just cardio; strength training increases the amount of muscle mass you have, which allows you to burn more calories. "Diets" don't work because the word implies a temporary change in your eating habits. In order to maintain weight loss, you need to change your eating habits for the rest of your life . Further, in order to be…
I wouldn't focus on being a certain weight or losing a certain weight - you should initially be staying about even since you will be increasing muscle mass while reducing fat mass.