step by step measuring guide    
  #21 strap to strap front
At this point you can decide where you want the straps to sit on your shoulders. It can sit right on the shoulders, on the edge or off the shoulders. Before we start sewing your gown, we will discuss these options with you.

For these measurements it is best to wear something with straps like a bra or tank top. Place both straps in the place which you feel is the most becoming. Now measure from the inside of one strap to the inside of the other, going over the front of your body.