Singer Grimes has become a mother of two

He and Musk received a daughter in December 2021 through a surrogate.

Musk began his romance with the "Genesis" singer in 2018

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

Singer Grimes tweeted that she did not intend to find out about her daughter from the reporter

"We always want at least three or four children," she told the magazine.

Grimes said. "I would probably call Musk my boyfriend, but we're great