Elon Musk visited Blair House to meet PM Modi, during the leader's two-day visit to the US, where the prime miniter interacted warmly with Musk’s children.

CNN video PO-97TH

Elon Musk's son makes high-profile visit to the Oval Office. His mom, Grimes, isn't pleased The Oval Office generally maintains a rather formal air. But when Elon Musk's 4-year-old son, X Æ A-Xii (known as X), waltzed in on Feb. 11, he made himself right at home.

The singer said her 4-year-old "should not be in public like this" after the child joined Donald Trump for a press conference.

On Tuesday, February 11, video of Elon Musk, 53, and his son X Æ A-Xii, whom he shares with Grimes, was seen around the country as Musk made remarks from the Oval Office alongside President Donald Trump.