Popping through the roof of his limo in Las Vegas on his way to the Tropicana to see Vikki Carr on Wednesday, September 4, 1974

The photos below show Elvis on stage with Vicki Carr at her September 4th show and backstage with the singer, comedian Rip Taylor and Elias Ghanem at the Tropicana after the show early on Thursday September 5, 1974

Thanks to Louis Linotte for some of the photos and the Doc for the dates