In her light-filled, west London home, textile and fashion designer Celia Birtwell, 83, is showing me the particular nook where she likes to take photos of her granddaughters for her Instagram feed.

Muse of David Hockney and wife and collaborator of Ossie Clark, Celia Birtwell has had a rollercoaster of a career, which has seen her go from the toast of the fashion world to obscurity and back ...

The stunning maxi dress is part of Joanie Clothing's collaboration with British textile and fashion designer Celia Birtwell ...