What was your favorite music videos on YouTube of 2014?
As it turns out, Katy Perry‘s Juicy J-assisted single “Dark Horse,” earned the top spot on the Google-owned YouTube's top 10 list of most-watched videos of 2014. Congratulations! Since it was posted on Feb. 20, Katy Perry’s technicolour music video “Dark Horse” won by a landslide, garnering over 617 million...