Baby bump alert!

First-time mom-to-be Kristin Cavallari showed off her growing baby bump yesterday as she exited her condo for the Academy Awards.

The reality TV star, who co-hosted E's Oscars' red carpet pre-show, donned a gorgeous gray gown that showed off her pregnancy curves.

Kristin only recently started showing: "My stomach literally grew double overnight!! This belly came out of nowhere!" she tweeted. She recently reconciled with her baby's father -- Jay Cutler -- after the two called off their engagement last year. Check out all the photos, below!

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