Rachel Zoe may have insulted the devastatingly powerful and fabulous Ms. Wintour, but her picks for Five Must Have Shoes can all be done in Mommy-Friendly Style: a timeless patent, the simple riding boot (just picked up a pair myself), a stunning red shoe (contrary to Southern Belles, these are now acceptable for respectable adult women), the fabulous flat (a mommy must-have), and a wild animal print (if you feel leopard has been done, go for something different, like Zebra).
Notice that nowhere here did she mention a pair of five-inch spike heels. Most of her specific picks are quite high, but you can still get the styles in low heels and flats.
Now, I love me my heels, but if you are pregnant or carrying around a baby, you may want to temporarily shelve those platforms. Instead, pull your glamor from color and fabric choices.