To the ways you can attempt to whittle your waist — Slim-Fast, side planks — add one more: Corset training. The method, which requires you to cinch yourself into a corset for four to six hours a day, ...
Stars like Keira Knightley and Lily James have worn corsets for their roles in movies and shows. "The Great" star Elle Fanning said that she had to "learn how to breathe differently" because of it.