Grimes and Elon Musk had their own second child, a girl named Exa Dark Siderl Musk, via surrogate in December, the singer revealed in a wide-ranging interview published by Vanity Fair on Thursday.

The singer, born Claire Boucher, was initially hesitant to reveal the couple’s second child, nicknamed “Y,” but Vanity Fair journalist Devin Gordon overheard a baby crying during an interview at her home in Austin, Texas.

Grimes revealed in a wide-ranging interview published by Vanity Fair on Thursday.
Grimes and Elon Musk had their own second child Exa Dark Siderl Musk.
Source: Pinterest

When questioned if she had a new baby, the futurist pop singer said she wasn’t “at liberty to speak on these things,” but she later confirmed Y joined the family in December and revealed her full name.

The on-again, the off-again couple welcomed their first child, X A-12 (pronounced “X AI Archangel” and nicknamed “X”), in May 2020. Y is Grimes’ second child and Musk’s eighth. Nevada Alexander, his first child with ex-wife Justine Wilson, died at ten weeks of sudden infant death syndrome (Sids) in 2002.

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According to Grimes, Exa is a play on the supercomputing term exaFLOPS, or the ability to perform one quintillion floating-point operations per second. Darkness, she explained, represents “the unknown.” People are afraid of it, but it is the absence of photons.

Y is Grimes' second child and Musk's eighth.
Elon Musk welcomed their first child, X A-12 in May 2020.
Source: Pinterest

Our universe’s beautiful mystery is dark matter.” Sidel is a “more elven” spelling of sidereal, which is “the true time of the universe, star time, deep space-time, not our relative earth time.” “Her favorite Lord of the Rings character, Galadriel, is also honored by the name, as she “chooses to abdicate the ring.”

Grimes expressed a desire to keep her daughter’s likeness and details private throughout the interview, following its publication, and she tweeted: “I did this to speak about my work, not reveal all’ haha.” “Contrary to the second headline, Def held back a lot. & didn’t intend for them to learn anything about my daughter, so please respect her privacy as I’d like her to be able to live as private a life as possible.”

In a separate tweet, she said she and Musk, the billionaire who founded SpaceX and NeuraLink, among other tech companies, had “separated again since the writing of this article, haha, but he’s my best friend and the love of my life, and my life and art are forever devoted to The Mission now, I think Devin wrote that part of the story rly well.”

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