56-year-old model Kathy Jacobs makes sizzling Sports Illustrated Swimsuit Issue debut

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57-year-old Kathy Jacobs makes Sports Illustrated Swimsuit debut: 'There's no wrong way to age

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56-year-old model Kathy Jacobs makes sizzling Sports Illustrated

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56-year-old model Kathy Jacobs makes sizzling Sports Illustrated

56-year-old model Kathy Jacobs makes sizzling Sports Illustrated

SI Swimsuit model Kathy Jacobs, 57, on being the 'oldest rookie

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Photos: 56-Year-Old Model Makes Sports Illustrated Swimsuit Debut

This 56-Year-Old Follows A Strict Diet, Exercises 4 Days A Week

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Sports Illustrated taps model who is 56 and stands 5-foot-3

SI Swimsuit's oldest model Kathy Jacobs, 57, owns it