Hilary Duff Tweets a picture of herself with 7-week-old son Luca Cruz, who's all, "Wassup?"

Expectant mama Alyson Hannigan and hubby Alexis Denisof goof around with 3-year-old Satyana at the park. Perhaps if Alyson did that, it would speed up labor! Or just be terribly uncomfortable. Either/or.

Charlize Theron and 6-month-old son Jackson hop on a private jet in Paris, France. Charlize's shoes reportedly were so high, she didn't even need a ladder to get on the plane. True story.

Five(ish)-months-pregnant Tori Spelling relaxes by the pool, looking pretty darn good in an orange bikini. Note her very natural, not-at-all-posed stance for the paparazzi.

Pregnant Sienna Miller and baby-daddy Tom Sturridge take a babymoon in Portofino, Italy in their finest matching hipster headwear

Bethenny Frankel and nearly-two-year-old Bryn leave a playground playdate in NYC. No word on whether Bryn is launching her *own* line of SkinnyToddler prdocuts.

Seven(ish)-months-pregnant Kourtney Kardashian carries two-year-old Mason on her baby bump (a.k.a. Toddler Shelf) in Old Town Calabasas

A not-yet-confirmed pregnant Drew Barrymore hits the gardens of the Huntington Library for a photo shoot and to provide fodder for tabloids' official "BUMP WATCH!"

Katie Holmes and 6-year-old Suri hit the ground running at Chelsea Piers, where they boarded their private helicopter. (You know, like ALL moms and kids do.)

Victoria Beckham and 10-month-old daughter, Harper, arrive at the airport in Hong Kong where Harper asked her mom, "Why are you so underdressed?"

Pregnant Kourtney Kardashian walks with son Mason -- along with several personal umbrella holders (don't ALL moms?) --in New York City

Heidi Klum walks with daughters Leni and Lou in L.A. (Try saying THAT five times fast.)

Alyson Hannigan and her family spent an afternoon strolling the Abbot Kinney neighborhood in Venice. And I don't mean to start rumors, but -- I think Alyson might be pregnant?

Jenny McCarthy and 9-year-old son Evan stroll the Sherman Oaks Mall, where a male "friend" walked their, um, dog.

Bethenny Frankel, hubby Jason and daughter Bryn eat in the West Village, where Bryn noshed on a cookie the size of an Olsen Twin. Yum.

Seven-months-pregnant model Alessandra Ambrosio hits the beach in a tiny bikini. When *I* was that pregnant, the only thing I hit was the vending machine to see if I could coerce more Cheetos to come out.

Alyson Hannigan and 3-year-old daughter Satyana arrive at LAX. I think Alyson's expression is seconded by most heavily pregnant women everywhere.

Christina Applegate, mom to 1-year-old Sadie, recently confided she still wears her maternity jeans because they're "so comfortable." Not to mention the perfect attire for post-Thanksgiving dinner.

Selma Blair totes 8-month-old Arthur around West Hollywood for errands, Easter parties and the embarrassment of getting smooches from mom in public. (Get used to it, kid!)

Four(ish)-months-pregnant Reese Witherspoon leaves Easter Sunday services in Santa Monica

Six-months pregnant Kourtney Kardashian dons a bikini in the Dominican Republic, where she's vacationing with the whole family (meaning: taping a show for E!).

Jada, Willow and Jaden hit the orange carpet at the Kids' Choice Awards, where Jaden looks like he could, um, use some fiber in his diet.

Natalie Portman and 9-month-old Aleph head to a market in Orange County. Given Aleph's awesomely chunky thighs, looks like he's got a good appetite!

Charlize Theron goes to the post office with 4-month-old son, Jackson, who has requested more time in hair and makeup before making his REAL world debut

Rachel Zoe and 1-year-old son Skyler grab a bite at Newsroom Cafe, where Skyler was all, "Mommmm...! Were the color-coordinated outfits *really* necessary?"

Alyson Hannigan cradles her +1 at the American Reunion premiere. (Let's hope she never sends her kids to band camp.)

Jessica Alba and 7-month-old daughter Haven leave the doctor's office in Santa Monica, where Haven has that dazed post-vaccine look. (I know it well.)

Miranda Kerr and 14-month-old Flynn head back to their apartment in NYC, where they probably sat in front of a mirror and said, "Man, we're beautiful."

Jennifer Garner Watches as Big Sister Violet, 6, Carries Baby Samuel to the Doctor (I Totally Need to Get Myself a Cute Assistant Like That!)

Richie Sambora and 14-year-old daughter Ava head to lunch in Calabasas. Although Ava is already a teenager (!), she still wears shorts from the toddler department. (*Sigh* I am not looking forward to the teenage years, that's for sure.)

Girls' day out: Pink and 9-month-old Willow take a stroll in Santa Monica

Mommy-and-me fashionistas: Tiffani Thiessen and daughter Harper, 21 months, cruise the launch of the Diane von Furstenberg + Gap Kids and Baby Gap collection in L.A.

Stars -- Just like us! Only with wackier clothes! Helena Bonham Carter picks up 8-year-old son Billy Ray early from school because he was feeling (and looking) under the weather. Poor guy.

Alyson Hannigan and almost 3-year-daughter Satyana shop for baby goodies in Santa Monica, with Satyana meaning business on her scooter

Michelle Williams and daughter Matilda leave a play gym in Studio City, where Michelle got HER workout by hoisting the six-year-old

Bethenny Frankel and 18-month-old daughter Bryn hang out in Miami, where Bryn is likely enjoying sippy cups of virgin Skinny Girl margaritas

Sarah Jessica Parker takes a walk in NYC with son James, daughter Marion and a paparazzo. Awwww.

Oh yes! It's another OBBWA (Official Baby Bump Watch Alert): Sienna Miller showed off her baby bump while shooting "A Case of You" in New York City

Gwen Stefani hangs out with her sons at a Santa Monica park, where Kingston showed a fondness for subtle headwear

Nicole Richie and 2-year-old son Sparrow are, um, FLYING high on their way home from preschool. (Yes, I went there. At least I didn't TWEET it.)

Sandra Bullock and two-year-old Louis share a smile -- and a love for stylish accessories -- in Los Angeles

Sarah Michelle Gellar and two-year-old Charlotte go shopping in Los Angeles. Nice to see a toddler with an appreciation for faux fur. Every time I try to put in on *my* two-year-old, she cries, "No wear doggie!"

Introducing Blue Ivy Carter! She's all, "Hope you're ready for people to stop making a fuss over you, Mom, 'cause it's all about ME now!"

Miranda Kerr carries two important packages: one from UPS; and the other a 13-month-old chubby-cheeked cutie named Flynn

Pregnant Kourtney Kardashian sports a bikini on her Mexican vacation with Scott and Mason. Can't blame her for wearing a suit affording easy access for the many trips to the bathroom during pregnancy.

Victoria Beckham and 6-month-old Harper wear coordinating plaid ensembles at LAX. Must be nice to be able to share clothes!

Nicole Kidman takes daughters Sunday, 3, and Faith, 13 months, to Romp Play Club in Hollywood. Not to be confused with Romp Gentlemen's Club in Manchester.

Seven-months-pregnant Hilary Duff at the Montage Beverly Hills Hotel before her baby shower on Super Bowl Sunday. Obviously, the baby is not much of a football fan.

Heidi Klum may be wearing some kick-ass boots, but daughters Leni and Lou are the cutest accessory of all. (Awwww.)

Jessica Alba, hubby Cash and 5-month-old daughter Haven enjoy an afternoon at the park. Should they decide to have a picnic, I assume chubby baby thighs are on the menu.

Seraphina helps mom Jennifer Garner satisfy her late-state-pregnancy cravings with a trip to the grocery store in Santa Monica

School & The City: Sarah Jessica Parker picks up two-year-old twins Loretta and Tabitha from daycare in New York City

Sandra Bullock picks up two-year-old Louis Bardo from preschool in L.A., wearing a big smile and really sweet boots

Jessica Simpson indulges her late-pregnancy cravings at Mastro's Steakhouse in Beverly Hills. Baby needs a Porterhouse!

January Jones, who has said she is just MAD about her little man (I know, I know...*GONG*), four-month-old son Xander, runs errands with him in L.A.

Victoria Beckham and 5-month-old daughter Harper sport matching pouts outside London's Savoy hotel

Orlando Bloom and 1-year-old son Flynn go on a hike in L.A.'s Runyon Canyon. Orlando appears to be getting an extra-good workout, lugging around those chubby cheeks!

Britney Spears' sons Sean Preston, 6, and Jayden James, 5, have a hair-raising good time.

A very pregnant Jennifer Garner and hubby Ben Affleck share a laugh on the way to the doctor's office.

Pregnant Victoria's Secret model Alessandra Ambrosio and 3-year-old daughter Anja hang out in Brazil with a pal who bravely struts his stuff in short-shorts and white sneakers.

Angelina Jolie and 8-year-old Pax emerge from a Hollywood party store with toy rifle -- always a fun party favor!

Rachel Zoe hit the shops in St. Bart's while 9-month-old son Skyler snacked on her necklace. Yum!

Mariah Carey and Nick Cannon rang in the New Year with 8-month-old twins Moroccan and Monroe in Aspen -- all in coordinating white ensembles, of course.

Upon stepping into the chilly NYC air, Suri begins to re-think her earlier "I DON'T WANT TO WEAR MY COAT!" stance.

Pink and Willow pick up a must-have for new moms: caffeine.

Kendra Wilkinson, Big Hank and Little Hank go shopping for a Christmas tree.

Jessica Alba's four-month-old daughter Haven has a much cheerier attitude about the holiday crowds than I do.

Jennifer Garner demonstrates that baby bumps can also be used for toddler resting spots.

A pregnant Hilary Duff takes baby boy out shopping. (Can never train 'em too young, I say.)

The Family Beckham touches down in London for the holidays. A shame they're not a more attractive clan. *Ahem*