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? "Iron Man" gets a new promo trailer, a buff dude picks up a girl at the gym (literally), "Gangnam Style" gets one of its best parodies yet -- and much, much more.

Watch the nine most popular YouTube videos of the week and vote for your favorites. Then, check out last week's picks here. For more top videos, browse our gallery of the most-watched YouTube videos of September.

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  • #9 - تقليد بلقيس احمد فتحي ياهوى (

  • #8 - Iron Man 3 - Official Trailer (HD)

  • #7 - 2 BILLION VIEWS

  • #6 - Taylor Swift - Begin Again

  • #5 - "The All-Star" - Full Length - PlayStation All-Stars: Battle Royale

  • #4 - "Minecraft Style" - A Parody of PSY's Gangnam Style (Music Video)

  • #3 - HYUNA - 'Ice Cream' (Official Music Video)

  • #2 - How To Pick Up A Girl At The Gym

  • #1 - Iron Man 3 Trailer - Official Marvel | HD