The singer will don Presley's iconic white leather jumpsuit, steal his quiff style and perform either his latest track TRIPPING or follow-up single ADVERTISING SPACE.
A source says, "The song's all about Elvis, and Robbie's already recreated him for the video.
"He's got all the gear and wants to blow everyone's mind by stepping on stage as Elvis.
"Rob's looking to upstage everyone. And what better way to do it that by dressing up as the King."