The “Hot Rod” — Prada’s wildly popular shoe based on a 1950s car — doesn’t come cheap; it costs $1,450. And that’s if you can track it down in your size. F. Martin Ramin
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The Hot Rod comes in many hues and styles. Bergdorf Goodman
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Katy Perry (above) was spotted sporting the shoes in Paris. Pascal Le Segretain/Getty Images
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Fergie rocked a green version with flames in LA. Vivien Killilea/WireImage
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Fergie rocked a green version with flames in LA. Vivien Killilea/WireImage
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One lady was spotted in Milan during fashion week, wearing the Prada shoes while riding a bike. Allan Barger/Fashionising.com