I love Pink's tweets because she has always had a "tough girl" persona, but motherhood has definitely softened her -- for the better!
"Mom quote of the day…"It's not a criticism it's an observation,'" wrote Pink, who is the mommy of baby Willow.
"Oh lord, she's learned the back arch protest. I thought I had at least another year?" tweeted Pink on another day.
The singer also wrote about the passing of Whitney Houston. "Whitney was the reason many of us do what we do," she wrote. "A few stolen moments is all that we share. RIP"
"Just pulled the mommy-move of peeing while holding the sleeping baby," tweeted Alyssa Milano. "You can file this tweet under "T" for "talent" & "TMI."
Also on her radar? "Paparazzi just stalked my 5 month old baby at the airport," tweeted Alyssa another day.
"Isn't that the most awful feeling?" Pink tweeted back to Alyssa.
"Not hurting them goes against every biological instinct I have as a mother," Alyssa replied.
"New pic on my desk at #theoffice! We worked with adorable twins. Made me want another baby!" tweeted The Office star Angela Kinsey.
Something tells me we should start the annoying baby bump watch...
"What did you do for V-Day night? I played with my kiddo and then curled up on my sofa and watched @zooeydeschanel in #newgirl. Loved it!" she wrote.
"There is so much to worry about when you become a mother. Let's not add weight loss to the list!" The Office star Jenna Fischer tweeted to one of her followers.
"The point is that we need to shift our expectations from weight loss to mothering after a baby," she tweeted to another.
"Just organized all of the books in the playroom! So many good ones I am excited to read to Mason!" tweeted Kourtney Kardashian. "Love reading my books when I was little."
"Where the Wild Things Are...nap time!" she later tweeted.
"Here is a pic from last nights premiere and u can see a little baby bump," tweeted a pregnant Kristin Cavallari, with a link to her wearing a bright red dress at the This Means War premiere, pictured right.
Tori Spelling writes cute tweets from her son's twitter account, Liam's World.
"After opening his Valentine's gifts... 'I love all my gifts mama. But do you know what my best present is? YOU!" Tori tweeted.
"Mama I like Valentime's Day because it's all about love," Tori tweeted for Liam. "When I'm all grown up I'm gonna fall in love & give her heart chocolates & roses!"
"Hank, lil Hank n I spent valentines day at the zoo [and] it was awesome" Kendra Wilkinson tweeted. "Now it's time for some adult fun Lol"
"@TheHankBaskett made me guacamole [and] that's all I need... That's love!" she gushed.
More on celeb moms
Baby bumps at the Grammy Awards
Celeb tweets: Jamie Lynn Spears
Selma Blair on postpartum hair loss