Model Kathy Jacobs poses for the 2020 Sports Illustrated swimsuit News Photo - Getty Images

Fitness icon Denise Austin, 65, and daughter Katie model bikinis for SI Swimsuit runway show: 'Proud mama

Kathy Jacobs attends the Sports Illustrated Swimsuit celebration of News Photo - Getty Images

Model Kathy Jacobs poses for the 2020 Sports Illustrated swimsuit

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

Model Kathy Jacobs poses for the 2020 Sports Illustrated swimsuit News Photo - Getty Images

Kathy Jacobs on Being Sports Illustrated Swim's Oldest Model (and What She Has in Common with Young Models)

Sports Illustrated Swimsuit Issue lauded for most diverse top 6 picks ever: 'Pay attention to their stories' - MEAWW

Kathy Jacobs

Sports Illustrated Swimsuit rookie Nina Cash, 57, says posing for magazine is a 'pinch me moment': 'I was an associate dean and now I'm posing in bikinis.