Pretty little thing cropped pj top

From pretty little thing. Came as a set but the top didn’t fit. The string in the middle shown in stock photo fell out when I pulled it thinking it could be adjusted (it’s just for the look). Still has tags. Size 12 𝕎𝕀𝕃𝕃𝕀ℕ𝔾 𝕋𝕆 𝕋ℝ𝔸𝔻𝔼