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Marjorie Dawes is the terrifying leader of weight loss support group Fatfighters.
Every week, she mercilessly belittles and humiliates the group for being so, well, fat, while all the time oblivious to her own size, and desperately trying to conceal her compulsive consumption of biscuits, crisps and any other junk she can get her hands on.
LISTEN: Radio: Marjorie at the supermarket »
PICTURES: Marjorie in the gallery »
Marjorie takes the weekly weigh-in