Cabal, I'm not sure what you don't understand about the leggings hack. You wear the leggings on your head and you put the towel around your waist and thennn... you... save money or something? Makes perfect sense.
Allegra did Junior Bake Off, maybe that's why Jack seems to hate all things GBBOThat Mary Berry retweet reads as though it's part of her weird hate-on for Bake Off and anyone associated with it. Did she get turned down for the celeb version or something?