Griffin Guess and Marisa Miller

Supermodel Marisa Miller and husband Griffin Guess welcomed their first child, People reports.

Miller gave birth to son Gavin Lee Guess on Thursday, Dec. 13 in Santa Cruz, Calif.

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"I'm completely overjoyed by the birth of our son. I feel so blessed to be a mom and am so excited to experience this next part of life," Miller said.

Before welcoming the 8 lbs., 10 oz. baby, Miller posed nude in a series of bump-exposing, black-and-white photos.