Jennifer Lopez wished her twins, Max and Emme (pictured here in a Gucci ad), a happy fourth birthday on twitter.
"Thank u for all birthday wishes for my coconuts!" she tweeted. "And for helping celebrate the anniversary of the most beautiful day of my life! #luckymama."
Harper Seven has yet to start crawling, however Victoria Beckham plans on protecting her once she is on the move.
"Amazing! Baby knee pads for when babies start crawling!" she tweeted, with a link to pink and yellow knee pads with an embroidered elephant on them.
Kourtney Kardashian revealed the sex of her baby on twitter!
"It's a girl," she tweeted, with a link to an OK magazine cover that read, "Exclusive baby announcement."
"I'm so excited to reveal that we are having a baby girl!" she wrote. "This is an amazing blessing and Scott and I are so thrilled… Pick up a copy of OK! Mag now for all the exclusive details."
Singer LeAnn Rimes, who is a "bonus mom" to her husband's two children, tweeted about homework help.
"Mason came home needing to write a Haiku for his class," she tweeted. "We're obsessed now. Eddie and I are constantly writing them for each other."
She also wished Kourtney Kardashian congrats on the baby girl news. "So happy for you guys!"
Actress Selma Blair had fun showing off her happy son Arthur Saint as he enjoyed his ride in the stroller.
"Love how his @mutsycollection stroller can adjust so sainty can see the world so well," she tweeted, with a link to a picture of her son smiling happily in a green stroller and matching beanie.
Also on her mind? "Does anyone know any more facts on this?" she wrote, with a link to a story about arsenic found in organic baby formula.
Actress and former host of The Talk Leah Remini tweeted about the joys of dealing with your kid's snark.
"You know what is so fun? Dealing with a 7 year old (with an attitude that she got from her mom) and her homework when she's in a bad mood," she tweeted.
What's Ali Landry's secret to looking so fab after giving birth to her son, Marcelo, just months ago?
"I am trying to eat clean and I exercising twice a week. Running after two kiddos helps too," she tweeted.
She does allow herself the occasional indulgence, however. "Oops! Couldn't help myself! Just ate a red velvet cookie while watching The Voice!" she wrote.
"At my daughter Carrie's track meet at the Armory!" Katie Couric wrote, with a link to a photo of a track meet. "Go Carrie go!"
Couric, who says she is a "single mom and soon-to-be talk show host" on her profile, also tweeted, "Taking a tweetcation with the girls this weekend!"