YouTube star MrBeast planning investment round that could value company at $5bn

Funds would be used to create holding company for 26-year-old's growing empire of video and food businesses

The world's biggest YouTube star, MrBeast, is planning to raise hundreds of millions of dollars in a move that would reportedly value his company at roughly $5bn (3.9bn).

The YouTuber, whose real name is Jimmy Donaldson, is said to have spoken with several wealthy individuals and financial firms about taking part in the investment round.