Helena’s black and white ribbed dress on The Royals

Princess Eleanor’s lace bodysuit on The Royals:

Haylie Bodysuit by Agent Provocateur, $845

Princess Eleanor’s ruffled gingham skirt on The Royals:

Giulia Gingham Skirt by Caroline Constas at Net a Porter, $280 (was $560)

Princess Eleanor’s lace-up front pants on The Royals:

‘Kinglsey’ Pants by A.L.C. at Shopbop, $395

Also available at: Saks Fifth Avenue

Queen Helena’s black lace dress on The Royals:

Three-Quarter-Sleeve Lace Dress by Tadashi Shoji at Macys, $468

Cheaper alternative: x

Princess Eleanor’s black double-strap top on The Royals:

Double Strap V-Back Camisole by Topshop at Nordstrom, $30