It was Foot's unwillingness to change his appearance, his clothes or his principles, that brought him a popularity rating of just 24%, the lowest since polling began.

BBC: The Michael Foot story

During the campaign debates, while the other candidates traded accusations, she presented a squeaky clean image, reinforced by her appearance - her hair done up in a neat chignon, her clothes elegant but simple.

BBC: Green Party votes up for grabs in Brazil's election