Grimes and Elon Musk Had a Secret Baby

Elon Musk and Grimes Welcome Second Baby Together, Daughter Exa Dark Sideræl

The baby's full name is Exa Dark Sideræl, though they've nicknamed her Y

Grimes called the word "a more elven" spelling of sidereal,

The once-and-apparently-future couple secretly welcomed a second child in December, the 33-year-old

For a person who has spent her entire life flinging herself at the world and making art out of the combustions, her new existence has required some adjusting

Grimes told Vanity Fair that she was "fighting" to name her daughter Odysseus Musk

Grimes on Music

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Grimes on Music

Grimes on Music

Grimes will likely have plenty more opportunities to cram mythological figures into the names of her offspring