Cover appearances: 1989, 1992, 1994
Kathy Ireland’s very first appearance as an SI cover model was so hot, it just so happens to be the best-selling issue of all time! But it’s no surprise, given the fact that the brunette bombshell is a fitness guru who has inspired millions with her workout DVDs. She is the true prototype for model-turned-mogul, clocking in a net worth of more than 350 million big ones.
What’s her secret to staying so young, fit, and fabulous? “Any physical activity with our children is a great joy and believe me, they keep me in shape. I love to bike, hike, swim, and surf, especially walking on the beach in the sand, just before I catch a big wave,” she told SHAPE. “My goal is just to be as healthy as possible and keep up with our children. I want to go surfing on my 120th birthday.”