The vest is a deep charcoal and teal colour and made of jacquard fabric featuring intricate patterns woven directly into the material.
Sweeney said she took inspiration from the irregular marks made by lichen on branches to form a modern take on traditional tartan.
It was knitted in Leicester from Scottish spun lambswool mingled with sparkly, sustainable viscose, and put together by hand back at her studio at Grandey’s Place, external, near Great Hadham Country Club.
The promotional shots for Celebrity Traitors are widely featured in print, social media, the BBC iPlayer and even on a gigantic mural in Manchester.
Sweeney said it was “an incredible moment and an utter surprise to see my Lin vest worn by Claudia in the publicity shots”.