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Celeb bump day: Molly Sims, Vanessa Lachey, Maci Bookout, Paulina Gretzky

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: Molly Sims, Maci Bookout, Carrie Underwood, Paulina Gretzky

Happy Wednesday Hump Day — which is also the last Celebrity Baby Bump Day of 2014. This week's cutest pregnant celebrities include Molly Sims, who showed off her baby bump in a black bikini. Vanessa Lachey shared her adorable Christmas card, while Paulina Gretzky revealed the gender of her first baby. Teen Mom's Maci Bookout and Carrie Underwood round out our list of the most buzz-worthy baby bumps of the week.

Family Fun #vacation #muchneededvacation

Une photo publiée par Molly Sims (@mollybsims) le

Pregnant Molly Sims gave us serious vacation envy with this sunny snapshot of her and her husband, Scott Stuber, with their 2-year-old son Brooks while on vacation in the Bahamas.

"Family Fun #vacation #muchneeded," the 41-year-old actress captioned the photo, as she shows off her baby bump in a cute black bikini.

Sims announced she was four months pregnant in September, which puts her around the seven-month mark currently.

The mom-to-be shared another beach snapshot wearing a colorful cover-up.

Me and baby beaching it! #bakersbay #bahamas @nataliemartincollection

A photo posted by Molly Sims (@mollybsims) on

Sims recently revealed her secrets to her fabulous maternity style. "Don't be afraid to wear bold colors. Being pregnant doesn't mean you have to employ the wearing-all-black tactic; you should celebrate your burgeoning bump!" she wrote on her blog on "When dressing bold, keep your makeup simple with a pop of color on the lip. That lip color will help you brighten your face and your overall look, especially during the winter months when we tend to look pale."

Next up: Pregnant Vanessa Lachey's adorable Christmas card

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