Simplicity 9626 Children's and Misses' Princess Costume Pattern Brand_Creative Industry and  a slip dress

and  a slip dress that can be worn underneath or on its own

The comfy panties with an elastic waist are a perfect match

semi-fitted through hip

Butterick sewing pattern for Updated t-shirt sized for stretch knits have elbow length sleeves with or without button closures and side seam openings

For Miss and Teen Boy

Simplicity 9626 Children's and Misses' Princess Costume Pattern Brand_Creative Industry and  a slip dressAnkle length, unlined, flowing, easy to sew princess cape has options for high collar and gathered hoods. Pretty fabrics, ribbon, trims and purchased fabric flowers are lovely details. Children's cape sized S M L. Adults' cape sized XS S M L XL. Simplicity Sewing Pattern Sewing Difficulty : Easy