See then and now photos of legendary bikini models, from their SI Swimsuit Edition bikini bodies to today.
Forget the stuffy gym. Mother Nature has so much more to offer!
Steal the stay-fit secrets of these 10 ageless a-listers.
And revealed their best get-fit tips inside our pages.
Make her celebrity workout secrets work for you. And don't miss her favorite workout tools—including her hair dryer.