Rachel, Molly, SJP, and More Shared the Sweetest Snaps of Their Tots This Week!

Debra Messing and her son, Roman, had a bird's-eye view of the women's championship game at the US Open.

Rachel Zoe celebrated her successful Fashion Week show with her staff and her sons, Skyler and Kaius.

Brooks Stuber was rarin' to go to school on day three.

Sparrow Madden was ready to cheer on the Baltimore Orioles with his dad, Maryland native Joel Madden.

Roman Zelman found a new buddy, Jimmy Fallon, when his mom, Debra Messing, was visiting The Tonight Show.

Joseph Kushner made fast friends with an adorable puppy.

Harper Smith looked ready for her afternoon on the soccer field.

Phyllon Joy Gorré was a pro on his little scooter.

Lyric Goldberg wasn't quite so sure of his first ride on the train.

Arthur Bleick suffered from a bee sting on his foot.

James Knit showed off his first (temporary) tattoo while riding in his car seat.

Alyssa Milano showed off her new maternity collection with her best accessory, little Milo.

Alyssa Milano shared a sweet snap of Milo meeting his baby sister, Elizabella, for the first time.

Molly Sims and Scott Stuber held tightly to little Brooks on the first day of school.

Tabitha Broderick had some fun modeling her mom Sarah Jessica Parker's shoe collection.

Skyler Berman gave his mom a humorous break from the Fashion Week madness.

Willow Hart took her pedal-less bike for a spin.