Recently making a slight change in the name of his newborn baby, Tesla CEO Elon Musk and his singer girlfriend Grimes have now named their first child "X AE-XII".

The difference is only in the numeric part of the name which is now written in Roman format. Earlier this month, the celebrity couple were in the news for naming their son X AE-A-12. There are reports that the name change came when an Instagram follower of the Canadian singer asked, 'Have they considered changing the name of the child'. So he replied, "X AE A-XII."

During this time, the artist did not give more information about the reason behind the change. Canadian singer Grimes gave birth to her first child on May 4 and the 32-year-old singer had earlier explained the meaning of the baby's name on Twitter.

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