Celine Dion made TV history in America last night (25Apr07) when she performed live with Elvis Presley. Technology enabled the Canadian to appear to sing alongside Presley onstage at the Kodak Theatre in Hollywood during the American Idol 'Idol Gives Back' charity special. The late rocker appeared in hologram form for the breathtaking duet of If I Can Dream with Dion, leaving many audience members stunned and convinced they were seeing a ghost.