Some happy news for singer Grimes.

The 32-year-old became a mother for the first time Monday.

Her boyfriend, Tesla CEO Elon Musk, confirmed the news on Twitter.

Musk says “mom and baby all good.”

Musk, who has five sons from a previous marriage, announced his new son’s name is X Æ A-12 Musk.

Grimes, whose real name is Claire Boucher, has been linked with Musk for two years.

She joked that she thinks her kid will be a night owl, saying he “doesn’t move during the day, only at night.”

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