YouTube rolled out its annual Year In Review: The top 10 most-watched videos of 2010 amd guess who's #1

1. The Bed Intruder Song: 47 million views

2. "Tik Tok" Ke$ha Parody: Glitter Puke: 51 million views

3. Greyson Chance Singing Paparazzi: 34 million views

4. Annoying Orange Wazzup: 27 million views

5. Old Spice | The Man Your Man Could Smell Like: 24 million views

6. Yosemitebear Mountain Giant Double Rainbow: 21 million views

7. OK Go - This Too Shall Pass: 20 million views

8. The Twilight Saga: Eclipse Trailer: 18 million views

9. Jimmy Surprises Bieber Fan: 19 million views

10. Rally Driver Ken Block's Gymkhana Three, Part 2: 19 million views