Kristin Cavallari Official / . 1 / 7
Kristin Cavallari Official / . 1 / 7

It's a girl!

RELATED: Kristin's maternity style

Kristin Cavallari announced on her app, Kristin Cavallari Official that she is expecting a baby girl!

RELATED: Kristin dishes about motherhood

The "Hills" alum posted this sweet photo showing her arms wrapped around her husband Jay Cutler while holding a pair of pink shoes. "Our new addition," she captioned the sweet snap.

RELATED: 'Laguna Beach': Where are they now?

Kristin and her husband are parents to two adorable sons: Camden, 2, and Jaxon, 14 months.

We bet that Kristin is excited to have another gal in the house!