Who is MrsBeast? 5 things to know about Thea Booysen who married MrBeast, changed name on Instagram

Thea Booysen, a YouTuber and Twitch streamer from South Africa, married MrBeast (Jimmy Donaldson) and changed her Instagram name to Thea Donaldson.

Booysen holds a bachelor's degree in law and an honours degree in psychology from Stellenbosch University, and a master's degree in neuropsychology from the University of Edinburgh.

She authored a book titled 'The Marked Children'.

Booysen appeared in two MrBeast videos: '$1 Vs $100,000,000 Car!' and '100 Boys Vs 100 Girls For $500,000'.

The wedding took place on July 14, 2026, at Richard Branson's Necker Island, with celebrations lasting a week.