Answer
The song "Despacito" by Luis Fonsi and Daddy Yankee was the most-watched YouTube video until November 2020. It was released in January 2017 and has been viewed over 7.7 billion times. The song was a global hit, topping the charts in over 50 countries. It also won two Grammy Awards and a Latin Grammy Award. In November 2020, the song was surpassed by "Baby Shark" as the most-watched YouTube video.