Jake Paul and Tana Mongeau are two of YouTube's most popular vloggers, With more than 23 million subscribers combined. They have had a very public courtship the last two months, frequently posting videos together across both their channels. On Sunday night, Mongeau and Paul were celebrating her 21st birthday at a Las Vegas nightclub. Last week, Paul gifted her a new car for her birthday but that was only the start of the surprises. He popped the question after midnight, giving her a massive diamond ring that Mongeau instantly shared on her Instagram story.Fans thought the size of the ring, and the timing of the announcement, were signs of a prank from the duo. Many YouTube videos featuring the pair have outlandish titles or thumbnails and this seems like it would fit into that category.