Pregnant Kristin Cavallari revealed that she and husband Jay Cutler are expecting a second little boy; the couple is already parents to son Camden, 17 months Credit: JB Lacroix/WireImage.com

Another football buddy! Pregnant Kristin Cavallari and her husband Jay Cutler are expecting a second boy together, the Hills alum revealed on Saturday, Feb. 1.

"We decided to announce that....we're having another boy!!" Cavallari, 26, wrote via Instagram. "We couldn't be more excited!" The former Laguna Beach star gave the announcement an extra touch by posting a silly picture of a mustache that read: "it's a BOY."

Cavallari and her NFL hubby, 30, tied the knot in June 2013 and announced last October they are expecting another little one. They are already parents to son Camden, 17 months.

The reality star is over moon for baby No. 2. Shortly before revealing the gender, she also shared a sweet snapshot of Cutler and Camden playing basketball outside.

"[I would] love to have a little girl," she told Us Weekly last September. "But if I had another boy, that would be great, too."