2011 most watched YouTube videos – YouTube Rewind Interactive Timeline

Rebecca Black’s “Friday,” video led the top 10 videos watched worldwide. YouTube rewarded her by letting her host this year’s “YouTube Rewind” look back at the most-watched videos of the year.

This year, YouTube has reached one trillion views (that’s 1,000,000,000,000 playbacks), and they are now announcing the most watched videos of the year, most watched music videos, most viewed channels and more. You can view an interactive timeline of the entire year, with all the most popular videos for each month.

What do you think the best videos of 2011 are?