It's been a big week for celebrity babies and their moms and dads.

Besides Tina Fey announcing 30 Rock might need to start a day care for their last season (Jane Krakowski is due to give birth next month and Elizabeth Banksjust announced the birth of her baby boy, Felix) little bundles of joy are popping up all over Hollywood and New York.

New Arrivals

Penelope Cruz and husband Javier Bardem showed off 2-month-old Leo at a park in California last week.

Law & Order: SVU star Mariska Hargitay announced her 4-year-old son August is super protective of his week-old baby sister, Amaya

Coming Soon

Jayden and Sean Federline will have a new little sister to play with once daddy Kevin's girlfriend gives birth to Jordan sometime this summer.