2007: Charlie Bit My Finger - Again!
People just couldn't get over Charlie biting his older brother's finger. Uploaded in 2007, this video still gets hits and is currently sat at 810,915,675 views.
2008: Avril Lavigne - Girlfriend
While I can't say that the pop-punk tones of Avril Lavigne are music to my ears, it's clear that in 2008 people loved to listen to the first single from her comeback album, Girlfriend, climbing up the rankings to become the most popular video of the year and the first video ever to surpass 100 million views. To date, it's racked up 261,979,632 views and counting.
Next: Susan Boyle and more