Heidi Klum’s Mary-Kate and Ashley Connection Supermodel Heidi Klum has worn every designer label imaginable on and off the runway, but the Project Runway host understandably takes interest in up-and-coming designers — and the Olsens are no exception. While attending designer friend Philipp Plein’s “Metal Rock Couture” fashion show in Spain, Heidi opted to wear a sequin dress and long black blazer from Mary-Kate and Ashley Olsen’s contemporary line Elizabeth and James.