In fact, she was petite and weighed just 8st 3lb and was 5ft 5in tall.
There are two possibilities - Edward Mortenson, who was named on her birth certificate, and Stanley Gifford, who worked with her mother Gladys. 7 Depression ran in the family - her uncle and greatgrandfather both committed suicide.
8 People often think Marilyn was curvier than she really was.
She was working at a munitions factory and soon after, she was on the road to becoming a model.
4 From August to November 1962, pop art legend Andy Warhol made more than 20 silk screen paintings of Marilyn, all based on the same photograph.