Complex sentence: As head of Cartland Promotions, she also became one of London's most prominent society figures, of the latter always presenting herself in pink gown and plumed hat, she was one of Britain's most popular media personalities, right up until her death in 2000.
Split into simpler sentences: As head of Cartland Promotions, she also became one of London's most prominent society figures. Latterly always presenting herself in pink gown and plumed hat, she was one of Britain's most popular media personalities, right up until her death in 2000.