American model and actress Amber Valletta has been announced as the official sustainability ambassador for Karl Lagerfeld, and will work with the luxury fashion house on 'product initiatives and its overall sustainability journey'.

Valletta, a long term brand partner who's fronted several Karl Lagerfeld campaigns, commented 'I am thrilled for the opportunity to help progress the sustainability journey that has already begun at Karl Lagerfeld. It feels like a wonderful and natural homage to Karl, as he was such an innovator himself. For me, it will always be innovation and creativity that solve fashion's challenges in this sector'.