YouTube has released a list of the most popular music videos so far this year. Not surprisingly, Katy Perry and Shakira top the list. But there are several newcomers in the Top 10. 1. Katy Perry, "Dark Horse ft. Juicy J" 2. Shakira, "Can't Remember to Forget You ft. Rihanna" MORE: 3. Shakira, "La La La (Brazil 2014) ft. Carlinhos Brown" 4. "We Are One (Ole Ola) [The Official 2014 FIFA World Cup Song] (Olodum Mix)" 5. Enrique Iglesias, "Bailando (Español) ft. Descemer Bueno, Gente De Zona" 6. The Chainsmokers, "#SELFIE" 7. Iggy Azalea, "Fancy ft. Charli XCX" 8. Frozen...

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