has released the cover artwork for her new single, "I Wanna Go," off her platinum-selling Femme Fatale
album! In the photo, the singer wears rainbow extensions (Why are these still in? I blame Avril Lavigne
), as well as a belly-baring tank adorned with a skull wearing Mickey Mouse
ears. She's come full circle. Last week, Brit rehearsed on stage for her Femme Fatale tour for the first time. "So electric! Th...