Hanks' 26-year-old son Chet confirmed on Instagram that he is the father of a baby girl and explained why he kept the news a secret until now.
"I want to share something today because it's about to be shared anyway in the press, which is the fact that I have a daughter," he said in the clip. "I do have a daughter, she's the best thing that's ever happened to me, she's the reason why I turned my life around and got sober. I've been sober -- for over a year and a half -- from everything."
Hanks has struggled with alcohol and drug abuse in the past and went to rehab in 2015.
"She's not something to be posted," Hanks said of his daughter's privacy. "She's something that I love, that's changed my life but the fact is she's about to be shared with everybody so I wanted you to hear it from me."
"No disrespect to people that post their kids, I just I never wanted her to be dragged into the negativity surrounding my past," he captioned the video.
Later, Chet wrote on his Twitter page "F--k the media," and addressed his child's mother, who has yet to be named.
"Really sad how the media has to portray the mother of my child in such a crass way. She is one of the nicest people I know," he lamented. "And an excellent mother."
He continued defending his baby mama by adding, "It's really frustrating that the media can just lie and say whatever they want about people that don't have a voice to defend themselves."
"I'm just thankful that my daughter has such a great mom."
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Chet is one of Hanks' two sons he shares with actress Rita Wilson. He also has two children from his previous marriage to Samantha Lewes.
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