NWT- IZ Byer California babydoll satin top

Note-runs xsmall, no stretch. Beautiful it's a shame i can't wear it. Bought from another posher but way too small. Says small, but i can usually wear between small and med, but i couldn't get this on, so listing as an XS, might even be xxs. 100% polyester satin. Shows 14" across bust and there is a little stretch with the elastic on back near brastrap but hardly any, and none in the material. Ties in back. Flowy and gorgeous but very small. Petite xs-small maybe