Rae wears size small in these photos and is a size 10-12. She also wears medium for a slouchier fit.
Size guide (see measurements below for a more accurate fit) XS6-8 S10-12 M12-14 L14-16 XL16-18
Measurements in CM's taken with garment laid flat.
Chest - XS47 S49.5 M52 L54.5 XL57
Body Length - XS65 S66 M67 L68 XL69