United Kingdom Size 20 to US: 2 S

United Kingdom Size 20: Features a height of 175 $\text{cm}$ (68.9 $\text{in}$), bust contour of 112 $\text{cm}$ (44.1 $\text{in}$), waist shaping of 93 $\text{cm}$ (36.6 $\text{in}$), hip flare of 118 $\text{cm}$ (46.5 $\text{in}$), and silhouette cut: Empire / Flowing Gown.

US: 2 S: Features a height of 168 $\text{cm}$ (66.1 $\text{in}$), bust contour of 86 $\text{cm}$ (33.9 $\text{in}$), waist shaping of 67 $\text{cm}$ (26.4 $\text{in}$), hip flare of 92 $\text{cm}$ (36.2 $\text{in}$), and silhouette cut: Natural Waist / Frock.