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The success of her iconic wrap dresses made her a design star, and now Diane von Furstenberg is giving back, pledging half of her personal wealth to The Giving Pledge, Warren Buffet and Bill Gate’s charity that encourages America’s wealthiest to donate half of their fortunes (either over the course of their lives or after) to causes of their choosing. The designer is joined by Michael Bloomberg, George Lucas, David Rockefeller and even her husband Barry Diller in this incredibly generous initiative.