By Andrew Asare
Updated October 30, 2013 at 06:36 PM EDT

Former Hills star Kristin Cavallari and her husband, Chicago Bears quarterback Jay Cutler, are expecting their second child.

Cavallari confirmed her pregnancy on Instagram, posting a photo of a heart on Wednesday followed with the caption, “thank you for all the love!! We are so excited for Camden to be a big brother!”

Cavallari and Cutler have been dating since fall 2010. They were engaged in April 2011 and married in June of this year. The two have a 1-year-old son, Camden.