A pair of Kanye West's Yeezys, worn to the Grammys, are being sold for $1 million, which may make them the world's most expensive sneakers. The shoes are up for auction, with some outlets suggesting they could be the most valuable to go on sale. Meanwhile, Kanye West's business ventures continue, with his Yeezy collection available in some stores and plans for his own Yeezy stores, although his partnership with Gap is reportedly ending.