Actress Daniela Ruah has announced that she is pregnant with a baby boy with fiancé David Olsen.

The 29-year-old actress is engaged to her TV co-star Eric Christian Olsen's older brother, People reports.

The NCIS: Los Angeles star told People, "I'm so thrilled about having a baby boy and starting a new chapter as a parent with David."

Ruah has said that her baby boy is due for birth this winter, according to Entertainment Weekly.

"Its amazing how in love I am with this little person I've only seen on a black and white screen. I'm starting my own family and there is no other feeling like it," Ruah said.

Ruah and fiance David met on the set of her show NCIS: Los Angeles, People notes. In the show she plays Special Agent Kensi Blye and Olsen is his younger brother's stunt double.

The CBS show returns to television on Sept. 24 for its fifth season.

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