It's going to be a tough ride for Kristin Cavallari and Jay Cutler when their baby girl arrives, but that won't stop them from being a happy family.

Kristin Cavallari Shows Off Baby Bump While Cooking Delicious Meal

In the December/January issue of American Baby the former Hills star opened up on how it's going to be when her third child is brought into the world. It'll be tough, but it will definitely be rewarding.

"Having an infant is stressful, and I know I won't get a lot of sleep initially, but it will be worth it," Cavallari said. "Jay and I want our kids to be close in age, so they can have a tight bond. And we'll get the diaper phase out of the way!"

Kristin Cavallari Says Her Baby Girl Will 'Steal' Her Daddy's Heart

The reality star also mentioned that it's better to talk to kids about how they feel when they throw a tantrum rather than go straight for the punishment. As it turns out, her two boys, Camden, 3, and Jaxon, 1, really let it out when they're upset.

"Just an hour ago, you would have thought I cut off one of Camden's legs," Cavallari said. "He threw the biggest fit because I gave him chicken instead of turkey. He started crying, which made Jaxon cry. It would be easy to get frustrated and start yelling, but I find that what a kid really needs is a hug. I'll say, 'Buddy, what's going on?' That's more effective than me scolding him or throwing him in a time-out."

Tags: Kristin Cavallari jay cutler