The Mentalist star, 29, and her husband Jordan Alan welcomed their first child, son Knox Addison Alan, on Thursday, Jan. 10, her rep confirms to PEOPLE exclusively.
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Amanda Righetti Welcomes Son Knox Addison

LuMar Jr./AFF

It’s a boy for Amanda Righetti!

The Mentalist star, 29, and her husband Jordan Alan welcomed their first child, son Knox Addison Alan, on Thursday, Jan. 10, her rep confirms to PEOPLE exclusively.

Righetti and Alan, 45, producer/director of Cats Dancing on Jupiter and Kiss and Tell, announced the pregnancy in August.

“She is very excited and feeling great,” a friend told PEOPLE at the time. “They are going to keep the gender of the baby a surprise!”

In addition to her current role as Grace on the CBS show, Righetti is also known for her work on Reunion and The O.C., as well as roles in Friday the 13th and Captain America: The First Avenger.

The couple married in April 2006 in Hawaii.

Amanda Righetti Welcomes Son Knox Addison

Courtesy Righetti-Alan Family

— Sarah Michaud with reporting by Monica Rizzo