YOUNG IN back zip rayon floral blue dress! 4?

Cute blue floral dress New without tags Size reads L but this runs VERY small so please notice measurements especially if you have a bust! I would call it more of a 4 or 6 but that is a guess. As I 100% rayon Label reads 'Youn In' Back reads: 'Designed with Love in LA' Zippered back full gathered skirt adjustable strap ******Pit to pit-16.5" Waist=13 3/4" across Length from top of shoulder=33.5" Lined with narrow tulle layer (attached to lower section of lining) to make skirt puff out a littl