I also wish to thank Madame Laperrire who explained certain details of the Savoyard costume
This outfit has similar lines as this extant dress: For another tea at the van Rhijn house, Aurora and Marian wear garish but totally period ensembles, while Agnes and Ada remain relatively muted in their wardrobes so Im not screencapping them as much
Available at Anthropologie Sizing : XXS XL Material : 100% Cotton SIR Linen Minidress Available at Mytheresa Sizing : US 0 10 Material : 100% Linen ALMAIS Solstice Mini Dress Available at ALMAIS, Revolve, Net-A-Porter, Harrods, and Anthropologie Sizing : US 0 12 Material : 100% Cotton Joes Jeans The Scoop Neck Mini Dress Available at Bloomingdales, Revolve, Joes Jeans, and Amazon Sizing : XS XL Material : 99% cotton/1% LYCRA Exquise The Tobie Button-Front Pleated Eyelet Mini Shirt Dress Available at Anthropologie Sizing: XXS-XL
Crinkle Gauze Big Shirt ($70) + Crinkle Gauze Shorts ($24, was $50) Gauzy material is a great choice for hot summer days, and this set from Gap proves it
All of these dresses are about knee length, but you can shorten them for a mini dress or even a top, or you can lengthen them for a maxi dress