Justin Timberlake and Jessica Biel Reveal Their New Son’s Name

Justin Timberlake and Jessica Biel managed to keep the arrival of their second son a complete secret from the world. Thankfully, the proud papa let us in a bit by sharing their baby boy’s name, Phineas, during an interview with Ellen DeGeneres.

The couple share a 5-year-old son, Silas, who was named after Justin’s grandfather and great-grandfather.

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“They are spending time together as a family in both Montana and Los Angeles,” a source shared with PEOPLE. “They seem happy.”

“He’s awesome and so cute,” Timberlake shared with Ellen. “Nobody’s sleeping, but we’re thrilled. We’re thrilled and couldn’t be happier. Very grateful.”

“I think we were FaceTiming and you said, ‘Hey, you want to know a secret?’ ” DeGeneres said. “Then Jessica walked in and you put your hand on her stomach. You were like, ‘I’m having another baby!’ “

“It’s a lot of fun,” added the singer. “I guess the saying goes go from a zone defense to a man-to-man really quickly. It’s great. Silas is super excited.”

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