VIDEO : Kristin Cavallari Shares Excitement For Heidi Montag's Pregnancy

Kristin Cavallari is happy to share some motherly advice with her former "Hills" co-star Heidi Montag. She recently said how thrilled she was that "pretty much everyone from The Hills is either pregnant or had a baby." While at the launch for her jewelry line, Uncommon James, Cavallari told ET that she's been in touch with Montag during her pregnancy. She added that Montag and her husband, Spencer Pratt, have wanted a baby for a long time. Cavallari, who has three children with husband Jay Cutler, said she's so excited for Montag and sent her a whole list of baby names she loved when she was pregnant.