Brigitte Bardot has stepped out of seclusion in St Tropez to voice a documentary about her life in aid of her animal rescue charity. Propelled to dizzy heights as one of the best known symbols of the sexual revolution in the 1950s and 60s, she withdrew after 47 films, having had enough of global stardom and being a prey for the paparazzi. “Lovers fell at her feet, from Alain Delon to Serge Gainsbourg, money flowed into her bank account and directors wrote — and changed —