Loulou de la Falaise: Yves Saint Laurent’s reluctant muse

For 30 years, she helped Saint Laurent see things through rose-coloured glasses. A new book reveals why the troubled designer was drawn to his right-hand woman’s more-is-more style

Why Botticelli’s Venus is still fashion’s favourite muse

Erotic, youthful, ethereal: the Botticelli beauty who, 500 years on, continues to inspires Lady Gaga, Andy Warhol and Dolce & Gabbana