Girls Formal Dress by Bliss Cinderella Couture 12

Pre Owned Granddaughter used once for a Wedding Flower Girl Color is Blush Champagne Tone with Gold Trimming and beading Looks beautiful.. spilled something on the front of dress that stained the underlining satin in a small area I attempted to clean it and it left a light water mark tried to capture in photo .. there are two tule layers over it so it’s not that visible.. maybe a steamer might remove not sure. Size 12 but please review measurements