NCIS star Michael Weatherly is a father again.

The actor's wife Bojana Jankovic gave birth to the couple's first child, a baby girl, on Tuesday.

Announcing the happy news on Twitter.com on Wednesday, Weatherly writes, "Gentlefolk of Twitter and elsewhere, Bojana and I are proud to announce the arrival yesterday of Olivia Weatherly!"

The actor revealed he and his wife were expecting a baby girl in January.

He also has a 16-year-old son from his previous marriage.