Justin Timberlake and Jessica Biel welcomed son, Silas Randall, early Saturday morning, People magazine reported.
The magazine received confirmation from representatives for the stars, saying Biel and the baby are doing well.
Silas was the middle name of Timberlake's grandfather Bill Bomar. Randall is Justin Timberlake's middle name and also the first name of the baby's grandfather on his father's side.
The singer first confirmed the pregnancy news back in January on Instagram.
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Justin Timberlake and Jessica Biel welcome baby boy