Ribbon Ruffle Blouse. By American Girl (lol). Ruffles at shoulder at neck with lace trim and ribbons on collar. Ruffle detail on sleeve. Raw hem. Fits like an XS, shown on a size Small. 100% poly. Definitely made for someone with a small neck (12" neck fit pretty comfortably), but the top button can be left undone without affecting the look. Refer to measurements.
Measures flat 16.5" pit to pit, 18" shoulder to hem, 15" sleeve, 6" neck opening (total 12" around neck).