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Celeb bump day: Jessa Duggar, Leighton Meester, Kristin Cavallari, Naya

Kim Grundy is a mom, writer, expert laundry folder and sandwich maker, not necessarily in that order. Raised in Oklahoma, she is now a West Coast gal and lives in California with her husband and two sons, along with one dog, two fish (oo...

Pregnant celeb photos: Jessa Duggar, Leighton Meester, Kristin Cavallari and more

Happy Wednesday Hump Day — also known to us as Celebrity Baby Bump Day! We rounded up the cutest pregnant celebrities of the week including Jessa Duggar, who just posted a four-month baby bump photo. Leighton Meester just announced she's pregnant, while pregnant Kristin Cavallari posted funny pictures from a wine tasting trip. Naya Rivera and Jessie James Decker round out our list of the most buzz-worthy baby bumps of the week.

The 19 Kids and Counting star Jessa Duggar is now four months pregnant and she posted a new photo of her baby bump on her Instagram page.

16 weeks 1 day #BabyBump #BabySeewald

A photo posted by Jessa Seewald (@jessaseewald) on

The 22-year-old is expecting her first child with her husband Ben Seewald on Nov. 1 — which also happens to be their one year anniversary. In the photo, Jessa, who is the third daughter born to Michelle and Jim Bob Duggar, is cupping her growing baby bump with the caption, "16 weeks 1 day."

Jessa also shared a photo as she hugs her husband Ben on his graduation day.

Michelle and Jim Bob Duggar are excited about all of their grandchildren (four so far and more on the way!) and if all of their 19 children have as many children as they have, then there will be more Duggar offspring than the population of California. Really. Check out our chart here to see how the numbers add up.

Next up: Gossip Girl's Leighton Meester is pregnant

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