Top 10 YouTube Videos of 2012

Super popular YouTuber KassemG joined Shira Lazar of Whats Trending for a special 2012 wrap up video featuring the Top 10 YouTube Videos of 2012.

Nearly the entire list has been featured on ViralViralVideos in the past, which naturally includes GangnamStyle, KONY2012, new online rapper Macklemore, and much more.