Cavallari is pregnant with their second baby. The 26-year-old former star of MTV's ''Laguna Beach'' and ''The Hills'' confirmed the news Wednesday on Twitter. She wrote: ''We are so excited for Camden to be a big brother!''
Camden is the couple's 14-month-old son.
Cavallari and Cutler were married last June in Nashville, Tenn.
The family splits their time between Nashville and Chicago.
- Arts & Entertainment
- Kristin Cavallari
- Chicago Bears