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? Barack Obama sings "Call Me Maybe," a shark attacks a giant squid, a zombie attack prank goes awry -- 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, here. For more top videos, browse our slideshow of the most-watched YouTube videos from 2011.

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  • #9 - JB Fanvideo

  • #8 - Saverina Feat. FM - Italiana 2012

  • #7 - King Of Nothing - Bob Pressner

  • #6 - Miami Dolphins Cheerleaders 'Call Me Maybe' By Carly Rae

  • #5 - Finish of DIII 3200 Meter Race at Ohio's 2012 State Track Meet

  • #4 - Watch Dogs - Game Demo Video [UK]

  • #3 - Giant Squid Attack By Shark

  • #2 - Miami Zombie Attack Prank!

  • #1 - Barack Obama Singing 'Call Me Maybe' By Carly Rae Jepsen