Heidi Klum's Beauty Secret: 'Don't Be Too Thin!' 
 
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 "The ultimate beauty secret for a woman getting older is, Don't be too thin! It is always better to have a little meat on your bones. When you are just muscle, you end up being gaunt in the face, and that makes you look older by five or 10 years," Klum tells the mag. 
 
 
 
 But that doesn't mean getting lazy and avoiding workouts. 
 
 
 
 "One of the best parts about season eight of 'Project Runway' being taped in New York City was that I went running every morning. I had a watch that counts the miles and the little thing you put on your shoe that measures each step. Over seven weeks, I ran 120 miles! I don't love running, but I do like to see everything getting tighter and toned." Supermodel Heidi Klum reveals in the December issue of Self that the secret to keeping wrinkles at bay isn't Botox -- it's a few extra pounds."The ultimate beauty secret for a woman getting older is, Don't be too thin! It is always better to have a little meat on your bones. When you are just muscle, you end up being gaunt in the face, and that makes you look older by five or 10 years," Klum tells the mag.But that doesn't mean getting lazy and avoiding workouts."One of the best parts about season eight of 'Project Runway' being taped in New York City was that I went running every morning. I had a watch that counts the miles and the little thing you put on your shoe that measures each step. Over seven weeks, I ran 120 miles! I don't love running, but I do like to see everything getting tighter and toned." 
 
 The supermom of four says she isn't afraid of the aging process. "I don't have anxiety about it, so I'm not running to get Botox. Maybe that will change, but I don't think so. I feel comfortable in my skin and comfortable with aging, so I think it's OK that I get wrinkles," she admits.Of course, part of not stressing about life stems from her happy five-year marriage to singer Seal, who she says keeps her grounded and fulfilled."Part of why we're so good together is that, in a lot of ways, we're opposites. I'm speedy, and I don't like sitting still for long. My husband is the most patient person I've ever met. He can explain something to the children for hours, and I will just say, 'OK, this is how it is.' We're both really creative people. We may have some different passions, but we love and respect and trust each other," Klum says. ||||| How do you do it all without losing your mind? 
 
 —Laura, 38, New York City 
 
 
 
 "I'm a big believer in to-do lists. I think of five things in the shower. I set goals and get my work done, but I have to plan for fun things, too. I'm always thinking about what will make my family happier. So I set up playdates and trips. I'm planning for a safari we can all go on together. What can I do with my husband? Can we steal away to Vegas for the weekend? You shouldn't wait for other people to make special things happen. You have to create your own memories."
– Forget Botox: If you want to look young as you grow older, just gain a few pounds, according to Heidi Klum. "The ultimate beauty secret for a woman getting older is, Don't be too thin!" she tells Self. "When you are just muscle, you end up being gaunt in the face, and that makes you look older by five or 10 years." She also recommends—especially for new moms—lots of sleep and perhaps a spray tan to stay looking fresh. For more, including how she feels about her own wrinkles, click here.