Posted Sun, April 17, 2011 8:00am EDT

Happy Birthday, Jennifer Garner! You're 39 Today, April 17!

One of our favorite celebrity mommies is celebrating her birthday today! And she has another big year ahead, but will it involve more kids?

Everyone knows Jennifer Garner to be a talented actress and a very hands-on mom, and the truth is, she’s great at balancing! The Arthur star, who is married to fellow actor Ben Affleck, 38, is the doting mom of two little girls, Violet, 5, and Seraphina, 2, who we absolutely adore! But will there be more smiling babies on the way for the Affleck brood this year?

“Right now, it’s about making sure our kids are happy,” Jennifer tells Us Magazine in it’s latest edition. “If they are happy, it’s all good.” But wait, does that mean happiness equals baby number three? We hope so!

Aside from the fact that she’s a hard working woman, Jennifer really knows the key to balancing work and mommy duty. “You have to have a great nanny and a supportive husband,” she explains. It’s always messy and it’s never as glamorous as people think it is. But, we get through.”

She truly is a modern mom, and a good one at that! Happy Birthday Jen! We hope someone cooks for you for once, ehem, Ben!

Hey moms, want to know what today has in store for you? Click on your sign below for your momscope. Astrology.com has all the details!