#17 in the world, #1 in Korea :)1. Pharrell Williams -- "Happy"
2. John Legend -- "All Of Me"
3. Nicki Minaj -- "Anaconda"
4. Ariana Grande -- "Problem"
5. Lady GaGa -- "ARTPOP"
6. Magic! -- "Rude"
7. Demi Lovato -- "Really Don't Care"
8. Beyonce -- "Drunk In Love"
9. One Direction -- "Night Changes"
10. Little Mix -- "Little Me"
11. Lorde -- "Royals"
12. One Direction -- "You & I"
13. Taylor Swift -- "Shake It Off"
14. Beyonce -- "Blue"
15. Sam Smith -- "Stay With Me"
16. Sia -- "Chandelier"
17. CNBLUE -- "Can't Stop"
18. Girls' Generation -- "Mr.Mr."
19. One Direction -- "Midnight Memories"
20. Iggy Azalea -- "Fancy"
21. Passenger -- "Let Her Go"
22. Beyonce -- "Flawless"
23. Kendrick Lamar -- "I"
24. Demi Lovato -- "Neon Lights"
25. One Direction -- "Story Of My Life"
26. Fifth Harmony -- "Bo$$"
27. Little Mix -- "Salute"
28. Calvin Harris -- "Summer"
29. Justin Bieber -- "Confident"
30. Chris Brown -- "X"
31. Enrique Iglesias -- "Bailando"
32. Miley Cyrus -- "Wrecking Ball"
33. Eminem featuring Rihanna -- "The Monster"
34. Ariana Grande -- "Break Free"
35. The Vamps -- "Somebody To You"
36. Lana Del Rey -- "Ultraviolence"
37. Lady GaGa -- "Gypsy"
38. Jason Derulo -- "Wiggle"
39. Lorde -- "Team"
40. Taylor Swift -- "Blank Space"
41. Flying Lotus -- "The Terminator"
42. Ariana Grande -- "Santa Tell Me"
43. Maroon 5 -- "Maps"
44. Nicki Minaj -- "Pills N Potions"
45. Katy Perry -- "Roar"
46. One Direction -- "18"
47. 5 Seconds Of Summer -- "Amnesia"
48. INFINITE -- "Last Romeo"
49. One Direction -- "Steal My Girl"
50. Coldplay -- "A Sky Full Of Stars"
http://mashable.com/2014/12/10/most-tweeted-songs-of-2014/?utm_cid=mash-com-Tw-main-link
