How will I know what size gown to order if I plan to loose weight before my wedding?

How will I know what size gown to order if I plan to loose weight before my wedding?

Sally Grigsby (Owner of Belle Bridal) gives expert video advice on: Does it matter what type of undergarments I wear when trying on wedding gowns?; Does it matter how I wear my hair when trying on wedding gowns?; Does it matter if I wear makeup and lipstick when trying on wedding gowns? and more...