Twice each day we scan our YouTube metrics as well as websites on the cutting edge of internet culture to discover the most buzzed about videos.

Bieber Prank	The Best Man Speech	NYPD Afternoon	LEGO Machine

1. A prankster pulls one over on a legion of the popstar's fans by pretending to be him on the roof of a Zurich hotel during a recent tour date. As seen on Daily Wh.at.
2. One of this weekend's Trending videos is this best man's "speech" that takes an unusual turn.
3. Drawing a ton of attention this weekend was this clip of an altercation involving some neighborhood residents and a group of NYPD police officers, allegedly captured after a man was given a citation for riding his bike on the sidewalk. As seen on Gawker.
4. This nearly 8-minute long LEGO Rube Goldberg contraption comes from Japan, where it was extremely popular over the weekend. As seen on VVVs.