Elon Musk is a daddy once again.
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Musk's girlfriend Grimes, welcomed her first child, according to the New York Post's Page Six.
Musk tweeted on Monday night that “Mom and baby all good.
That announcement came in a reply to a question about the baby in replies to a tweet from Clean Technica about EPA testing for the Tesla Model S.
The head of Tesla and Space X shared no other details.
The music artist Grimes, 32, confirmed that Musk was the father in a Rolling Stone interview in March.
Musk has five sons from his previous marriage to author Justine Wilson.