Nicola Coughlan wears a corset under her Magic Faraway Tree costume — even though you’ll never see it on screen.
In the 2026 adaptation of The Magic Faraway Tree, Nicola (of Bridgerton) wears the What Katie Did Demi Waspie Corset as Silky. https://www.whatkatiedid.com/products/demi-waspie-corset-l4099
It’s worn as underwear beneath the costume — shaping the silhouette in the way corsetry has always been used in film and TV. https://www.whatkatiedid.com/products/demi-waspie-corset-l4099
Demi Waspie Corset L4099