Webbehind the screen season 1 episode 3. Singer christina grimmie went from internet sensation to international superstar with her performance on the voice; Singer christina grimmie went from internet sensation to international superstar with her performance on. Websinger christina grimmie went from internet sensation to international superstar with her performance on the voice. Yet, among her legions of fans was someone whose obsession would bring her dreams to a tragic end. Webfeb 6, 2023 · singer christina grimmie went from internet sensation to international superstar with her performance on the…