55 +11 Katy Perry - Roar (Official) 1,395,317
79 +24 Katy Perry - Dark Horse (Official) ft. Juicy J 1,092,932
105 -25 Katy Perry - Rise (NBC Olympics video) 907,927
146 +40 Katy Perry - Last Friday Night (T.G.I.F.) 677,583
228 +71 Katy Perry - Firework 465,360
237 +168 Katy Perry - Part Of Me 444,893
238 +36 Katy Perry - Hot N Cold 443,422
266 +73 Katy Perry - Wide Awake 411,912
277 +49 Katy Perry - California Gurls ft. Snoop Dogg 403,159
360 NEW Katy Perry - The One That Got Away 333,336
Forgotten!!11!
Lemme explain the difference:
http://kworb.net/youtube/
Lady Gaga : N/A
