12/30/2012 07:07 pm ET Updated Dec 06, 2017

What's Trending and Kassem G Present the Top 20 YouTube Videos of 2012

Every weekday, What's Trending brings you the best that YouTube has to offer. Now that we're wrapping up an unbelievable year in Internet history, we're serving up a definitive guide to the 20 biggest, most incredible and best YouTube videos of 2012. Included in this line-up is Kristen Bell's sloth meltdown, Samuel L. Jackson's plea to American voters, the first ever viral live lip-dub proposal and much more!

#20: Wake the F--k Up
#19: Barack Obama Singing Sexy and I Know It
#18: Mister Rogers Remixed | Garden of Your Mind
#17: Arrested Drunk Guy Singing Bohemian Rhapsody
#16: Oh My Dayum
#15: Kristen Bell's Sloth Meltdown
#14: Isaac"s Live Lip Dub Marriage Proposal
#13: Bad Lip Reading: Edward and Bella
#12: Master Chief vs. Leonidas: Epic Rap Battles of History Season 2
#11: Tired of Bronco Bamma

10: Catch the Ice Dude
#9: A Dramatic Surprise on a Quiet Square
#8: Thrift Shop
#7: Dumb Ways to Die
#6: Somebody That I Used to Know - Walk off the Earth (Gotye Cover)
#5: Mitt Romney on Obama Voters
#4: Red Bull Stratos Jump
#3: Kony 2012
#2: Call Me Maybe
#1: Gangnam Style

Subscribe to What"s Trending on YouTube and join us on January 8 from CES when we return with our LIVE daily shows, featuring the web's hottest celebrities and exclusives.