step by step measuring guide    
  #3 shoulder to waist over breast
First find you natural waist. It is the smallest point of you abdomen. It can be easiest found by folding your hands on you waist. It would be best if you could tie a string around this point, since we are going the refer to it in later measurements.

Hold the tape at the top of your shoulder and guide it down over the highest point of the breast, down to the string you tied around your waist.