An intense public feud erupted on Thursday between President Donald Trump and his one-time ally, billionaire Elon Musk, with an argument about Trump’s massive tax and domestic policy bill raging across social media and in the Oval Office.

Elon Musk has been using President Donald Trump 's past criticisms of raising the debt ceiling against him as he continues to attack the "big, beautiful bill." The former Trump ally shared several posts on X from the president, dating back more than a decade.

Over the course of their now-rocky relationship, Elon Musk and Donald Trump shared a number of notable memes, media moments and photo ops together. They amplified one another on social media and appeared side-by-side at campaign events,