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Macaulay Culkin is officially a dad!

The 40-year-old Home Alone actor has welcomed a baby boy with 33-year-old former Disney Channel star, Brenda Song.

And the name the new parents chose for their son has a very deep and personal meaning…

They have named their baby boy Dakota, after Macaulay’s later sister Dakota, who died when she was just 29 years old after being hit by a car in December 2008.

Macaulay Culkin and the Suite Life Of Zack & Cody star managed to keep the pregnancy a secret, and didn’t divulge much information following the birth either, apart from just two words…

“We’re overjoyed,” the new parents said in a short but sweet statement.

Reps confirmed that baby Dakota was born in Los Angeles on Monday, April 5 at 1:10 pm, weighing 6 pounds and 14 ounces.

Although the pregnancy was a secret, the couple wasn’t shy about revealing that they wanted a baby in the not-so-distant future…

“I’m probably going to put some babies in her in a little bit. I mean, we’ve definitely been practicing,” the actor joked on The Joe Rogan Experience podcast.

“I’m going to have some pretty babies. She’s Asian, so I’m gonna have tiny, little Asian babies. It’s going to be adorable.”

Brenda Song and Macaulay Culkin met on the set of the film Changeland in Thailand back in 2017. And although the couple is pretty low-key about their relationship, they certainly have a lot of nice things to say about each other when they are asked…

“People don’t realize how incredibly kind and loyal and sweet and smart he is,” Brenda Song previously told Esquire about her now baby daddy.

“Truly what makes Mack so special is that he is so unapologetically Mack. He knows who he is, and he’s 100 percent okay with that.

“And that to me is an incredibly sexy quality. He’s worked really hard to be the person he is.”

Congratulations to Macaulay and Brenda – we think they are going to be fabulous parents!