Kristin Cavallari and Jay Cutler welcome son Camden Jack

Kristin Cavallari and Jay Cutler attend the opening night of Cirque du Soleil's "OVO" on Jan. 20, 2012, in Santa Monica, Calif.

(CBS News) It's a boy for Kristin Cavallari and Jay Cutler.

"The Hills" star, 25, and the Chicago Bears quarterback, 29, welcomed son Camden Jack on Wednesday.

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Pictures: Kristin Cavallari
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Cavallari shared the baby news on Twitter:

This is the first child for the couple, who announced in January that they were expecting.

The couple first got engaged in April 2011, but split three months later. In November, Cavallari confirmed the engagement was back on.

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