Heidi Klum born June 1, 1973 in Bergisch Gladbach, North Rhine-Westphalia, Germany. Heidi Klum is Beautiful Model, Actress, Singer. She makes an appearance at the 'Pop-Up' Experience in Santa Monica - March 19, 2010 with Beautiful Cloth. Diet Coke and Heidi Klum are joining forces once again. For the third consecutive year Diet Coke is partnering Klum and the National Heart, Lung, and Blood Institute in a national heart health awareness campaign called “The Heart Truth.”