President Donald Trump on Sunday called Elon Musk's plans to form a new political party "ridiculous," launching new barbs at the tech billionaire and saying the Musk ally he once named to lead NASA would have presented a conflict of interest given Musk's business interests in space.

Musk previously threatened to start the new "America Party" last week, expressing his disapproval of Trump's "One Big Beautiful Bill Act" and declaring that he would form a new political party if it passed. This spending bill ultimately did pass, with Trump signing it into law on Friday, July 4.

The tech billionaire’s effort to create a new political party, called the America Party, comes amid a ramped-up feud with the president over his new domestic policy law.