Check out how the newly-separated, mom-of-four's physique has changed through the years
Heidi Klum: Her Amazing Body Evolution
Heidi Klum's rocking body defies age, babies, and an insanely busy life as the host of Project Runway, an acclaimed supermodel, an actress, and a businesswoman. The German beauty, 40, stays fit and active, always turning heads with her toned figure. See her hot body evolution.