Karen Gatt is an Australian mum of two. The incredible story of Karenâs lifelong battle with the bulge and how she finally overcame it by walking around the clothesline in her backyard has touched hearts worldwide. Now widely considered one of Australiaâs most popular weight-loss gurus, Karenâs simple, common sense and highly successful weight loss plan sees her making regular media appearances on Australia's top rated TV shows and biggest selling magazines.