Zimmermann dancer linen day mini dress in blush size 0

Worn only once for a bridal shower and dry cleaned afterwards. Main: 100% linen Lining: 100% cotton Dry clean only Fully lined Hidden back zip closure, detachable waist tie has been removed and is not included Side seam pockets Puff sleeves with elastic cuffs Flattering cut The pit to pit on this dress is 17.5" and the length is 36" from the top of the shoulder to the bottom hem. Although this dress is labeled as a 0 which in Zimmerman sizing is a size 0/2. I would say it fits more like a 1 which would be a 4/6.