R&M RichardsR&M Richards Women's Beaded Chiffon Jacket Dress

This does not give hip sizes? How does it run?

What is the exact length (in inches) from the top of the shoulder strap to the bottom of the (longest part) of this dress?

Does the fabric have any stretch?

Does anyone have the "Slate Blue" and is it gray/blue or the light blue like the picture?