The 2015 Sports Illustrated Swimsuit issue is on sale now. One of the new faces featured in the magazine is 19 year-old Hailey Claus on, who already has years of experience as a high-fashion runway model.
Clauson reveals her strategy for staying in incredible shape through the combination of a healthy diet and an intense exercise regimen.
Produced by Graham Flanagan
Follow BI Video: On Facebook
Business Insider Emails & Alerts
Site highlights each day to your inbox.