The pop-up covers 1,600 square feet and will offer newborn, baby, girl, boy, skin care and fragrance collections.
The swimsuits and accessories come in a Liberty print and some bright solids, including coral pink.
The high-profile fashion executive was most recently president of global brands at Ralph Lauren Corp.
The influencer-turned-designer is opening her first boutique on the Rue Bachaumont in Paris.
She succeeds Christine Innamorato in the role.
The illustrator brought along three-year-old daughter Freya for her first fashion show.