On Aleksandra: Louis Vuitton white silk-organza ruffle shirt (from a selection; price on request), glossy purple cotton A-line skirt ($1,280), and black skirt in tulle and polyester with contrasting piping ($1,890), all at Louis Vuitton, 919 North Michigan Avenue. KEP Designs graduated round coral beads with coin pearls and gold toggle ($400) at The Lake Forest Shop, 265 Market Square, Lake Forest. Gillion Carrara dark-green glass ring ($400) at June Blaker, 870 North Orleans Street. Tod’s Carine gray wedge shoes in calfskin and suede ($495) at Tod’s, 121 East Oak Street.

On Aleksandra: Ivan Grundahl white long-sleeve stretch-cotton shirt ($645), black-and-white silk-print skirt with hoop slip ($725), and orange silk duster with metallic thread ($1,145), all at Only She, 710 North State Street. Gillion Carrara celadon glass ring ($400) at June Blaker. MaxMara black leather platform sandals ($655) at MaxMara, 900 North Michigan Avenue.

On Elcee: Giambattista Valli silk-radzmir jacket ($1,700) and trousers ($720) in sea-foam, to order at Blake, 212 West Chicago Avenue, and Saks Fifth Avenue, 700 North Michigan Avenue. Paloma Picasso for Tiffany & Company hammered-planets drop earrings ($2,675) and bracelet ($5,725) in yellow gold and Elsa Peretti for Tiffany & Company bone cuff in yellow gold ($7,200) at Tiffany & Company, 730 North Michigan Avenue.

On Elcee: TSE honeydew-and-white color-block cashmere T-shirt ($695) at TSE, 252 Market Square, Lake Forest. Diana Broussard Alicia yellow resin necklace with sterling-silver chain ($460) at Neapolitan, 715 Elm Street, Winnetka. Zero Maria Cornejo bomber jacket in black patent leather ($1,467) at Blake. Derercuny white cotton-blend gabardine skinny trousers ($530) at Neiman Marcus, 737 North Michigan Avenue. Jimmy Choo patent leather platform sandals in foundation ($775) at Jimmy Choo, 63 East Oak Street.

On Aleksandra: Yves Saint Laurent short-sleeve jacket in camel plonge leather with twill inserts ($4,735) and ankle-strap sandals in blue-gray patent leather ($890) at Yves Saint Laurent, 51 East Oak Street. MaxMara navy jersey strapless top ($185) and black cotton trench-style pencil skirt ($725) at MaxMara. Tonga by Bernardaud hand-painted porcelain necklace ($295) and Feroe by Bernardaud hand-painted porcelain necklace with Chinese lacquer frame ($445) at Bernardaud, 900 North Michigan Avenue. Gillion Carrara brown crystal ring ($400) at June Blaker. Furla Nausicaa large shopper in white cotton and leather ($810) at Furla, 106 East Oak Street and 1211 West Webster Avenue.

On Elcee: Issey Miyake Breeze maize-and-ecru cotton jacket ($895) and skirt ($835) in cotton and polyester at Macy’s, 111 North State Street.

On Aleksandra: Babette pa-per-bag peplum shirt in white cotton ($221) at Babette, 25 East Huron Street. Yohji Yamamoto black ruffled cotton crinoline skirt ($3,940) at Ikram, 873 North Rush Street, and Macy’s. Hache cotton-and-polyamide bustier with pockets and pleats ($295) at Helen Yi, 1645 North Damen Avenue. Tod’s Matisse yellow patent leather gladiator sandals ($395) at Tod’s.

On Aleksandra: J. Mendel pale-gray hand-pleated silk mousseline dress with silver sequined trim ($14,500) at J. Mendel, 919 North Michigan Avenue. Gillion Carrara lead-crystal ring ($400) at June Blaker.

On Elcee: Comme des Garçons brown puff-sleeve cotton-and-polyester dress ($1,290) and brown ruffled frame skirt ($880) at Ikram. Jimmy Choo patent leather platform sandals in foundation ($775) at Jimmy Choo.

On Aleksandra: Givenchy sky-blue cotton-poplin blouse ($970), black silk-radzmir pleated and layered skirt ($3,160), and pale-blue calfskin gladiator sandals ($950) at Blake. Marc Jacobs black safari jacket in cotton and silk ($1,500) at Macy’s. Oxygen by Bernardaud large pendants in porcelain and metal ($310 each) at Bernardaud.

On Aleksandra: Martin Margiela black cotton-and-viscose jacket with sequins ($2,885) at Blake. Marie St. Pierre Vega dress in matte taffeta ($585) and custom-made chain necklace with glass drop ($375) at Only She.