Hilary Duff and Luca (PacificCoastNews.com)"Put your head on my shoulder..."

Seeing Hilary Duff enjoying a walk/snuggle with her son Luca is simply music to our ears. The new mom and her 5-month-old denim-clad little one were an example of pure bliss Thursday while out and about in Santa Monica, California. The 24-year-old mom, who will forever be remembered as Lizzie McGuire, positioned her wide-eyed tot on her shoulder as she strolled. Her friend pushed Luca's baby carriage, which was filled with shopping bags — a clear sign of a successful day of retail therapy.

Tom Cruise hit the London club where his son was DJing on Thursday. (Splash News)Connor Cruise's next stop is a gig in Zurich. (Splash News)

Yes, Tom Cruise was spotted at trendy London nightclub Chinawhite Thursday night. But it's not because the newly divorced "Mission Impossible" star is suddenly looking to party and meet new ladies. Actually, he hit up the hot spot because he's a good dad!

Cruise's only son, Connor, an up-and-coming DJ, was tapped to spin some tunes at the club, so Papa Tom showed up to watch … and listen. The 17-year-old (who Cruise adopted with second wife Nicole Kidman) has been getting plenty of DJ experience in the States, working gigs last month at a Comic-Con party in San Diego and a fashion event in New York, but this was his first time working across the pond.

Alanis Morissette with her husband and son (PacificCoastNews.com)Alanis Morissette is the latest celebrity mom to reveal her struggle with postpartum depression.

When the 38-year-old singer welcomed son Ever in 2011, the new mom summed up her baby's arrival with one word: "amazing." And while she has embraced motherhood, gushing that she was "moved beyond words" about the new chapter in her life and "so in love with my nuclear family," at times it has been difficult.

Debra Messing at the Post-it Your Words Stick With Them launch on August 22Though Debra Messing's family dynamic has changed in the last year — she's now a single parent — the bond she shares with her son, Roman, has not been altered. The actress, best known for her role as Grace Adler on "Will & Grace," has been enjoying a fun-filled summer in Manhattan with the 8-year-old, who is also a frequent visitor on the set of his mom's latest project, the musical TV series "Smash."

Witherspoon. (Splash News)Reese Witherspoon isn't due until early September, but it looks like she may pop a little ahead of schedule. The "This is War" actress was admitted into a Los Angeles-area hospital not once, but twice in less than 24 hours with symptoms that seemed like she was set to give birth, reports Radar Online.

January Jones and son Xander on Tuesday. (Splash News)January Jones' little guy sure is getting big! The "Mad Men" actress was spotted carrying her happy son Xander, who turns 1 next month, in Los Angeles on Tuesday after the duo hit up a jewelry store and then stopped by cafe Le Pain Quotidien, where Jones met up with some friends for lunch.

(Angelina and Vivienne. (Splash News)Vivienne Jolie-Pitt is following in her mom and dad's famous footsteps. The 4-year-old has been cast in Angelina Jolie's upcoming fairy tale flick, "Maleficent," as the younger version of Princess Aurora, Disney has confirmed. Elle Fanning plays the grownup "Sleeping Beauty" princess in the movie, which focuses on the villainous queen and how she got to become so evil.

Jennifer Hudson and her son on the set of "Smash" (Splash News)Monday was Take Your Child to Work Day for Jennifer Hudson. The actress-singer has been shooting a guest-starring role on "Smash" and brought her son along with her to the New York City set.
A "Sesame Street" fan, David Otunga Jr. had on yummy little Cookie Monster shoes for his visit. The 3-year old stuck close to his mom, who sported stirrup pants and an oversized sweater on the cool summer day. David's love of the Muppets seems to be a recurring theme: Days earlier, he wore a Cookie Monster shirt while out with a babysitter.

On Tuesday, Hudson was back at work again — this time sans David. The Weight Watchers spokesperson, who has lost more than 80 pounds, had on a much skimpier outfit, too. Dressed in a short nightgown and hot pink robe, the 30-year-old playfully waved to photographers as she walked down the block in the sleepwear.

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Hudson will appear in several episodes of musical series when it returns