Diet Coke and Heidi Klum are joining forces once again. For the third consecutive year Diet Coke is partnering with Klum and the National Heart, Lung, and Blood Institute (NHLBI) in a national heart health awareness campaign called The Heart Truth. To bring heart health into the spotlight during February, American Heart Month, Diet Coke will distribute special limited-edition packaging in support of the campaign. For her part, Klum will return to the runway for the Diet Coke sponsored Red Dress Collection Fashion Show on February 11, the popular kick-off to Mercedes-Benz Fashion Week in New York.  To view Multimedia News Release, go to