The royal baby has finally arrived, if Kate Middleton's polka dot Jenny Packham frock is any indication, we think we'll be seeing plenty of enviable post-baby style in the near future.

In the meantime, we can't help but take a look back at some of the stylish new mommies who came before Kate. From Jackie Kennedy, to Victoria Beckham, to Beyonce, we've gathered some advice from some of the most fashionable famous moms in recent memory, and have put it all together in this Style Throwback as a guide to Kate's post-baby style.

For all the new moms out there, click through the gallery for the best in post-baby fashion sense!