The singer and designer was selected by Warner Bros. as one of 19 designers to create new versions of Dorothy's ruby slippers. 

The 19 pairs of shoes will be created by some of the biggest names in fashion, including Alberta Ferretti, Moschino, and Oscar de la Renta. 

The shoes are being designed to mark the 70th anniversary of the Victor Fleming film.

The new creations will be on display at New York's Saks Fifth Avenue on September 4, before being auctioned off to raise money for the Elizabeth Glaser Pediatric AIDS Foundation.

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