Simon Cowell is going to be a daddy!

The TV judge is reportedly expecting his first child at the age of 53 ... and the mom is a married woman.

According to Us Weekly, the former "American Idol" and "X Factor" star and New York socialite Lauren Silverman are going to have a baby together.

Simon's 36-year-old baby mama is still married to Andrew Silverman, a real estate mogul who is also friends with Cowell ... or at least was before this news broke.

She's reportedly 10 weeks along.

In 2012, Simon told AOL Music that his job doesn't make it easy for him to have kids.

"I do really, really like kids, because I can talk to them and listen to them," Simon said. "The problem has always been how much time you need to devote to bringing up kids and I've always dedicated all my life to work, and at 52, I've probably missed the opportunity."

So far, no official word from Cowell's camp.

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