Happy birthday, Heidi Klum! This working mother of four always manages to look radiant and fit, and her positive disposition is infectious. Let's take a look at the different ways Heidi maintains a healthy lifestyle.
How Heidi Klum Stays Fit and Healthy
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Ben Stiller Gives His Best 'Blue Steel' Face With Heidi Klum at Zoolander 2 Sydney Premiere
Derek Zoolander Teaches Heidi Klum How to Properly Do the "Blue Steel" on the Red Carpet