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Going against their instincts, female celebrities are forced to actually (gasp!) gain weight during the nine months or so of their pregnancies.

Because we’re so used to seeing these slender starlets measure out each morsel of food intake, it’s fascinating to see willowy actresses and pop stars getting rounder around the middle during the gestation of their little bundles of joy.

But just when we feel we’re getting used to the new Rubenesque figures developed by these Tinseltown ladies, we have to quickly say goodbye to their newfound curves as they seem to lose the weight in less time than it took to put it on.

At least there’s always breastfeeding!

Click any photo to view all the of Celebrity Mother’s Post Pregnancy Bodies in the gallery (the full list of who’s in the gallery is after the jump)!

Going against their instincts, female celebrities are forced to
actually (gasp!) gain weight during the nine months or so of their
pregnancies.

Because we’re so used to seeing these slender starlets measure out each
morsel of food intake, it’s fascinating to see willowy actresses and
pop stars getting rounder around the middle during the gestation of
their little bundles of joy.

But just when we feel we’re getting used to the new Rubenesque figures
developed by these Tinseltown ladies, we have to quickly say goodbye to
their newfound curves as they seem to lose the weight in less time than
it took to put it on.

At least there’s always breastfeeding!Page 1: Christina Aguilera, Jessica Alba, Isla Fisher, Jennifer Lopez, Laura Bailey, Halle Berry, Cate Blanchett, Emma Bunton, Minnie DriverPage 2: Salma Hayek, Angelina Jolie, Nicole Kidman, Nicole Richie, Tori Spelling, Gwen Stefani