Mama Mio
What do Victoria Beckham, Christy Turlington and Kourtney Kardashian have in common? They're all fans of this brand's safe, super-targeted products for moms-to-be. Prevent stretch marks with its omega-packed Tummy Rub range ($36–$38) or keep your growing chest in firm shape with cult-fave Boob Tube ($45). Even non-expecting moms like Khloe Kardashian can't get enough.

Mama Mio Your Pregnancy Essentials Kit, $36, at mioskincare.com