Kate Upton's name is synonymous with voluptuousness and sizzling sex appeal. But there was a time when the 22-year-old Sports Illustrated supermodel had a more innocent appearance.
MailOnline has an exclusive look at one of the cover girl's first photo sessions when she was only 15-years-old, long before she became the world's top pinup bikini model.
In a total of eight stunning sets taken by fashion photographer Steven Burton, the Florida native - who was born in Michigan - showed off her modeling skills as she folded her arms, pouted and smiled with enthusiasm.
The photo session took place in March 2008, just after the teen was signed to Elite Model Management.