If you're looking to see the most popular YouTube videos of the week, look no further.
Once again, we're bringing you the week's most-watched videos, hot off the charts via 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? An angry grandpa tangles with a Christmas tree, an unruly dog causes a deer stampede, Justin Bieber and Mariah Carey sing a Christmas duet -- and much, much more.
Watch the 9 most popular YouTube videos of the week and vote for your favorites. Then, check out last week's picks, here.