Watch clips of some of today's hottest stars as they talk about Elvis' influence on Vegas and perform some of his great classics, all featured in Elvis: Viva Las Vegas.

Elvis' triumphant return to Vegas launched on July 31, 1969. See some phenomenal moments of Elvis on stage captured by the camera, while listening to segments of his monologue and on-stage bantering with the audience.

On May 1, 1967, Elvis and Priscilla were married at the Aladdin Hotel in Las Vegas. Watch footage from their reception and the press conference that followed.