Katy Perry was on the Top 100 Chart of Billboard (April 1, 2011)

Katy Perry "E.T ft. Kanye west" Is the new #1 of the billboard top 100 music in the U.S, Last week the #1 on the spot of the billboard top 100 was Lady Gaga" Born this way" which spot was on the #4 spot. Following to Katy Perry Step in the top 100 was Rihanna, Controversial Music Video "S&M" which is now on the #2 spot.

1. E.T - Katy Perry ft. Kanye West
2. S&M - Rihanna
3. ***k You - Cee Lo Green
4. Born this way - Lady Gaga
5. Just can't get enough - Black Eyed Peas
6. No Sleep - Wiz Khalifa
7. Look at me now - Chris Brown ft. Lil Wayne & Busta Rhymes
8. ***kin Perfect - Pink
9. Down on me - Jeremih ft. 50 Cent
10. On the Floor - Jennifer Lopez ft. Pit Bull