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Alice is in an S, her measurements:
Height: 173cm/ 68.1"
Chest: 76cm/ 29.9"
Underbust: 66cm/ 26"

Lavinia is in a 2XL, her measurements:
Height: 174cm/ 68.5"
Chest: 118cm/ 46.5"
Underbust: 100cm/ 39.4"

Inches

Bust (all-round)

Length

Shoulder

Arm Length

XS

39.4''

22.6''

12.8''

22.8''

S

41.3''

23.2''

13.6''

23.2''

M

43.3''

23.8''

14.4''

23.6''

L

45.3''

24.4''

15.2''

24''

XL

47.3''

25''

16''

24.4''

2XL

49.3''

25.6''

16.8''

24.8''

CM

Bust (all-round)

Length

Shoulder

Arm Length

XS

100CM

57.5CM

32.5CM

58CM

S

105CM

59CM

34.5CM

59CM

M

110CM

60.5CM

36.5CM

60CM

L

115CM

62CM

38.5CM

61CM

XL

120CM

63.5CM

40.5CM

62CM

2XL

125CM

65CM

42.5CM

63CM