It's a BOY for Kristen Cavallari and  Chicago Bears quarterback, Jay Cutler (29), who announced they were expecting in January. The couple is engaged to be married soon. They happy couple welcomed Camden Jack Cutler to the world yesterday and are already gushing with parental bliss!

"We are thrilled to welcome Camden Jack Cutler into the world," the former Hills star, 25, wrote via Twitter. "He was born this morning weighing 7lbs 9oz. Everyone is doing great!" 

From The Hills To mommyhood! This is going to be one gloriously bumpy ride! 

Yes, the rumors are true!  Kristin Cavallari and Jay Cutler, are starting off 2012 with big news--they are PREGNANT! Kristin (The Hills) and Jay Cutler of the Chicago Bears have been dating off again, and on again since 2010.

“We are thrilled to announce we are expecting our first child together,” they tell People Magazine.

“It’s an amazing time in our life and we can’t wait to meet the new addition to our growing family."

Cavallari’s rep from EMC-BOWERY also confirms the pregnancy.

Cavallari and Cutler broke off their engagement in July, only to reconcile just before they announced the BIG baby news!