Heidi Klum Bares All in "Project Runway" Season 9 Ad

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Heidi Klum isn't afraid to take it off, and in the latest ad campaign for Project Runway she does just that.

Season 9 promos for Project Runway included Heidi, bare, telling People about the new ad, 

"This is definitely sexier than past campaigns we've done, I guess you could say 'Hans and Franz' are celebrating season 9."

The new season of Project Runway premieres July 28th on Lifetime.