Britain's Got Talent's Susan Boyle!

Angel-voiced Susan Boyle, belting out "I Dreamed a Dream," was the most viewed video on all of YouTube in 2009. Her riveting performance on "Britain's Got Talent" netted more than 120 million views. Whoa!

In second place was 7-year-old David DeVore under some major oral anesthesia, contemplating whether "this is real life." The video, called simply David After Dentist, has been viewed more than 37 million times. If you're not one of the millions who've already seen dear David ponder life, here it is: