More than five decades on, Judy is reluctant to judge her one-time friend too harshly.

BBC: Dame Margot Fonteyn and the Panama sanitary towel coup

The Singapore paddock was fretting with talk of another scandal to come before the season is out and perhaps that is why few wanted to judge Renault and the "crash-gate" plotters too harshly.

BBC: F1 returns to scene of the crime