Joni Mitchell: the new face of Saint Laurent – stylewatch

In the same week that Joan Didion is unveiled as the new face of Céline, Saint Laurent announces Joni Mitchell will model its SS15 campaign

Hedi Slimane: heart and soul

Creative director of Saint Laurent, Hedi Slimane is an indie-rock obsessive and his fascination with music’s wild side inspires his designs and his catwalk shows. Alex Needham takes a first look at a new exhibition of the designer’s gritty and atmospheric photographs