9. THE $21,000 FIRST CLASS AIRPLANE SEAT
A YouTuber shows off the luxury of a $21,000 airline ticket. As of Dec. 20, 2016, it had been watched 28,023,785 views.
6. Water Bottle Flip Edition | Dude Perfect
Did you master the water bottle flip challenge this year? Yeah, me neither. These guys sure did, though, raking in 44,821,293 views as of Dec. 20, 2016.
3. What’s inside a Rattlesnake Rattle?
This video explores exactly what makes up the tail of a rattlesnake. It’s been watched 61,426,699 times as of Dec. 20, 2016.
2. Pen-Pineapple-Apple-Pen/PIKO-TARO
Pen-Pineapple-Apple-Pen (or PPAP) was a viral sensation, and you either get it…or don’t! With 101,830,663 views as of Dec. 20, 2016, PPAP is the second-most watched video on YouTube.
1. Adele Carpool Karaoke
Hello from the other side…of the car? Carpool Karaoke with James Corden was a big hit online this year, but Adele’s appearance reigns supreme. This edition raked in 140,763,586 views as of Dec. 20, 2016, making it the number 1 trending YouTube video.
