If you're wondering what was hot on YouTube this week, look no further.
Once again, we're bringing you the week's most-watched videos, hot off the charts from YouTube Trends, a feature launched by YouTube that aggregates the site's video stats and draws upon "the wisdom of top curators across the web" to offer visitors a look at real-time trends among the YouTube community.
So what did the web go wild over this week? Justin Bieber posted a special message for his U.K. fans, Facebook's "Like" button went to the beach, Keenan Cahill lip-synched to a remix by David Guetta--and much, much more.
Watch the top 9 most popular YouTube videos of the week, and vote for your favorites. Then, check the top videos from last week, here.