Today, we mark 20 years of YouTube by revisiting the site’s 10 most-watched music videos. Check out the list below.

Top at the list is "Despacito," a 2017 single by Luis Fonsi featuring Daddy Yankee. It became the most-viewed YouTube video of all time after receiving its three billionth view.

Below is a countdown of the top 10 most watched YouTube videos of all time, listed from the least to the most viewed. You may recognize some of these megahits—and be surprised by a few!

YouTube, now the most popular platform for consuming podcasts, is introducing a chart ranking shows by watch time.