Vogue Fashion Red formal dress. Size on tag is 150

Perfect as a flower girl 🌹🥀🌹 size on tag says 150, internet search results age 11-12 or u.s. size 14. 3 layers of red tulle gives it a flowing look. Red rose and faux pearl embellishments. Zipper back. No flaws, like new! Clean. Measurements: Waist left to right approx 13" Under arm to waist approx 5 1/2" Length from waist to hem approx 27" Chest from left to right approx 13 1/2"