Tony Freitas, of Oakdale, Calif., performs during the Las Vegas Elvis Festival in Las Vegas, in this July 12, 2014, photo.

Elvis tribute artists participating in the Las Vegas Elvis Festival wait in line to take pictures in front of the

Daniel Jenkins, left, Tyler James and Jacob Roman joke around during the Las Vegas Elvis Festival. The three, along with other Elvis tribute artists, performed in a competition at the convention.

Elvis tribute artist Jim Westover, of Arizona City, Ariz., gives a scarf to fan Juanita Curtice, of Woodbridge, Va., during the Las Vegas Elvis Festival.

Frank Werth, left, of Hayes, Kan., straightens the collar of Tony Freitas, of Oakdale, Calif., during the Las Vegas Elvis Festival in Las Vegas.

Yvonne Garcia, of Midland, Texas, watches an Elvis tribute artist perform during the Las Vegas Elvis Festival in Las Vegas.

Elvis tribute artist Joseph Hall, of Branson, Mo., stretches before performing at the Las Vegas Elvis Festival in Las Vegas.