By Julia Boorstin, CNBC.com

Kim Kardashian may be known for her reality show, but she's also making a name for herself in shoes.
Not just wearing them - designing them and selling them at ShoeDazzle, where she's chief stylist.
Never heard of ShoeDazzle?
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Amazon has - it's paying close attention to the three year old company, which is on track to top $70 million in revenue this year, from millions of women spending forty bucks a month. And sources tell me that Amazon and other retailers have expressed acquisition interest.
Kardashian co-founded ShoeDazzle with celebrity attorney Robert Shapiro to bring her celebrity glamour and the idea of a personal stylist to the masses. The company has an unusual business model - it's a monthly shoe subscription service. To join ShoeDazzle shoppers submit an online fashion survey
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