Say what? Macaulay Culkin and Brenda Song welcome baby boy

'Home Alone' star Macaulay Culkin and 'The Suite Life of Zack & Cody' actress Brenda Song are the proud new parents of a baby boy.

The couple, who has been extremely private about their relationship, confirmed the news.

A rep for Macaulay revealed that they named their son Dakota in honour of his sister. 

Dakota Culkin died in 2008 after being struck by a car. She was 29.

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Dakota Song Culkin was born on April 5. "We are overjoyed," Esquire quoted the statement.  

Macaulay and Brenda reportedly started dating in 2017 while working on the set of the movie, 'Changeland'.  

They were then spotted on vacation in Paris with the actor's goddaughter, Paris Jackson. 

The couple have shared the odd picture of each other on social media, but rarely flaunt their relationship. 

Twitter users cannot believe Macaulay and Brenda have a baby together. Most had no idea they were even dating. 

"If you had told 10 years old me that London Tipton and Kevin McCallister would have a child together one day I would've been so shocked," one Twitter user wrote. 

Another user added: "Macaulay Culkin and Brenda Song had a baby??? They're a couple??? When did that happen???"

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Main image credit: Instagram/@culkamania and @brendasong