Kourtney Kardashian
The reality star and beau Scott Disick play on the beach with son Mason—on their first vacay since the arrival of daughter Penelope!
Halle Berry
The 46-year-old pregnant star drops off her daughter and soon-to-be big sis Nahla at school.
Gisele Bündchen
Hot mama! Just two months after giving birth, the supermodel and husband Tom Brady took baby Vivian to Hawaii, where she showed off her crazy tight abs.
Natalie Portman
The Black Swan actress enjoys a day in the sun with her family.
Jennifer Garner
Mrs. Affleck and son Samuel visit the doctor's office in Los Angeles for a checkup. Baby's healthy and apparently so is mom: trim, stylish and smiling!
Mariah Carey
Mariah, Nick Cannon and their twins, Monroe and Moroccan, hang out on their yacht in Australia.
Reese Witherspoon
The star takes a New Year's vacay in Hawaii, lounging surfside with hubby Jim Toth and baby Tennessee.
Salma Hayek
The star—rocking a sexy print and voluminous hair—returns to L.A. after a holiday vacation with her daughter Valentina.
MORE PHOTOS: Most Adorable Celeb Baby Pics Ever!