Michael Weatherly and Bojana Jankovic

Michael Weatherly's new child already has her own hashtag.

The NCIS star and his wife Bojana Jankovic welcomed a daughter on Tuesday, People reports. The actor announced the news on Twitter: "Gentlefolk of Twitter and elsewhere, Bojana and I are proud to announce the arrival yesterday of Olivia Weatherly! #SpecialAgentWeatherly."

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Weatherly already has a 16-year-old son, August, from his previous marriage to The Young and the Restless star Amelia Heinle.

He's best known for playing womanizer Special Agent Tony DiNozzo on NCIS, which airs Tuesdays at 8/7c on CBS.