She's at it again!

According to US Magazine, former Hills star Kristin Cavallari has announced that she is pregnant with her third child with husband Jay Cutler.

She broke the news on Monday on her app, writing "Big News...We're at it again! Thrilled to announce baby number 3 is on the way! The cutler crew just keeps on growin'!" Kristin and Jay are also parents to two-year-old Camden and one-year-old Jaxon.

Photo By: Kristin Cavallari App