Katy Perry Hits #1 on iTunes With "E.T."

Katy Perry has taken down Jennifer Lopez's "On The Floor" down to #2 on iTunes and has claimed the #1 spot for herself with her new single "E.T." which now features Kanye West. Congrats to her! That's four iTunes #1s in a row for her. Will it be her fourth Hot 100 #1 as well?