In general run true to size (smaller sizes more generous)
Claire is wearing the mustard boho floral and is approx. 20 lbs. 28" in 12 months (wearing 6/12 months).
Reagan is in most 18/24 months and is wearing the 18/24 month rose floral & mustard (they had length in the arms).
Ella is wearing the black/white stripe and the floral & berry. She is approx. 33 lbs. 38" in most 3T and wearing the 3T.
Jessa is approx. 45 lbs. 44.5" and is wearing the 5T.
The front is a top length and the back is a dramatic longer length compared to the front. These are perfect to pair with jeans, leggings, or ruffle pants