It’s the Trending Now Top 5 Countdown for February 14, 2013 – where we gather the hottest and most outrageous must-see YouTube videos hitting the web today and send them all straight to your screen. It’s like watching the best of YouTube — only faster!

From an epic Valentine’s Day proposal prank to the latest Harlem Shake dances from Toby Turner, Shane Dawson and more, we have you covered right here on What’s Trending.

#5: Conan O’Brien and Andy Richter vs. Team Nerdist – All Star Celebrity Bowling

#4: Chris Hadfield and Barenaked Ladies: I.S.S.

#3: Valentine’s Day Proposal Prank!

#2: HARLEM SHAKEDOWN: Tobuscus Harlem Shake / Epic Harlem Shake Goes Wrong (Mike Diva) / Harlem Shake (Shane Dawson Edition) / Harlem Shake (Jiggly Version) / Harlem Shake Times Square NYC

#1: Justin Timberlake – Suit & Tie ft. Jay-Z

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