YouTuber MrBeast has announced his engagement to his girlfriend, Thea Booysen.

The 26-year-old, whose real name is Jimmy Donaldson, revealed he proposed on Christmas Day, sharing photos of the heartfelt moment he got down on one knee. MrBeast is the world’s most popular YouTuber, boasting an incredible 340 million subscribers.

Thea, originally from South Africa, is also a content creator with her own YouTube channel, TheaBeasty, which has nearly 40,000 subscribers. Now residing in the US, the 27-year-old is a Twitch streamer and a published author.