Elon Musk's son X AE A-12 made a surprise appearance at Donald Trump's pre-inauguration rally, and it's safe to say he stole the show in more ways than one.

Elon Musk's four-year-old son X Æ A-12, who he shares with Grimes, almost caused havoc during his dad's speech at Donald Trump's pre-inauguration rally.

Zuffa LLC via Getty Images Donald Trump, Kid Rock and Elon Musk Saturday, Nov. 16, 2024 at Madison Square Garden in Manhattan. Robert Sabo for NY Post ...

Kid Rock got the party going at President-elect ... said of the championship fight that featured Trump supporters like Elon Musk and Dana White, as well as the rocker, to New York City.

Zuffa LLC via Getty Images Donald Trump talks with Tesla and SpaceX CEO Elon Musk and singer Kid Rock at UFC 309 at Madison Square Garden in New York, on Nov. 16, 2024. AFP via Getty Images Carrie ...

Little X AE A-12 made an unexpected appearance at the rally just hours before the US President-elect's inauguration.

Elon Musk is among the speakers who will precede ... There will be performances by Kid Rock, Billy Ray Cyrus and Village People, the creators of "Y.M.C.A." — the anthem of Trump's rallies.

Kid Rock, Carrie Underwood, the Village People and more to perform during President-elect Donald Trump's second inauguration in Washington, D.C.