Kelly wears a size S. She is 173cm (5'8") and usually wears a size 10/S.
Skirt length: waistband to hemline is approx. 94cm in size XS+S, 95cm in size M, 97cm in size L+XL and 98cm in size XXL.
Waistband width: side to side in approx. 34cm in size XS, 36cm in size S, 39cm in size M, 41cm in size L, 44cm in size XL and 46cm in size XXL.