Ever wonder what it takes to get fit for an SI Swimsuit shoot? Or how SI Swimsuit models train to stay in shape each day? What it's like to work out with a celebrity fitness trainer? We've got you covered. Grab your yoga mat and your favorite pair of leggings, and get ready to Sweat with Swimsuit!
Check out Katie Austin’s full body cardio and tone. This workout is 40 minutes of dance cardio, booty toning, arm sculpting and fire abs. We’re sweating just thinking about it.