Michael Weatherly and his wife, Bojana, have welcomed a baby boy, the NCIS star announced on Tuesday.
"Beautiful Bojana gave birth to 10lb Liam Weatherly today, the most important day of the week," Weatherly tweeted before mentioning NCIS' Tuesday at 8/7c timeslot.
Liam joins older sister, 18-month-old Olivia. Weatherly, 45, also has a 17-year-old son, August, with his first wife, The Young and the Restless' Amelia Heinle.
Weatherly and Bojana, an internist, married in September 2009.
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