| KATY PERRY & KANYE WEST - 'E.T.' live on 'American Idol'. |
| Written by Shahlin Graves |
| Saturday, 23 April 2011 00:00 |
 KATY PERRY - and some extraterrestrial dancing friends - performed her latest single 'E.T.' on 'American Idol' with a guest-appearance from KANYE WEST. Watch the performance below... Warning: there are a lot of lasers involved... Watch a behind-the-scenes video from the preparation for the performance below... |
