By HEIDI PARKER FOR MAILONLINE
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 Missouri - 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.
In one set the leggy looker showed off a fit figure in a shimmering silver mini dress.
Bright neon open-toe yellow heels made a dramatic statement.
She wore no jewelry and overall had a natural appearance befitting a teenager.
With her hair in a loose updo and her makeup kept to a minimum, The Other Woman actress appeared more stripped-down than she has in her more recent shoots for Vanity Fair and Vogue.
Already the 5ft10in catwalker had glowing blonde highlights, but she had not yet evolved into a full-fledged blonde as she had some roots showing.
Read more at Dailymail.co.uk
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