MrBeast (Jimmy Donaldson) claimed on social media that he has 'very little money' on hand due to reinvesting nearly all of ...

MrBeast — who's worth an estimated $1 billion — claims he's cash-strapped and asked his mom for money to pay for his upcoming wedding to fellow content creator Thea Booysen.

YouTube's top star, MrBeast, is a self-made mogul with a business empire and 400 million subscribers. But he's borrowing from his mom.