Look what's at #9 already.
1. Justin Bieber’s “Baby” featuring Ludacris with 787 million views
2. Jennifer Lopez’s “On The Floor” featuring Pitbull (606 million)
3. Eminem’s “Love The Way You Lie” featuring Rihanna (503 million views)
4. Shakira’s “Waka Waka” (495 million views)
5. Lady Gaga’s “Bad Romance” (490 million views)
6. LMFAO’s “Party Rock Anthem” featuring Lauren Bennett and GoonRock (489 million views)
7. “Charlie Bit My Finger — Again!” (487 million)
8. Michel Teló’s “Ai Se Eu Te Pego” (443 million)
9. PSY's "Gangnam Style (432 million)
Source:
http://www.alancross.ca/a-journal-of-musical-things/2012/10/12/and-the-all-time-most-viewed-music-videos-on-youtube-are.html