Frank Sinatra claps his hands as he is congratulated by (left to right) Dean Martin, Milton Berle, and Rich LIttle after Sinatra received the first 'Pied Piper Award' from the American Society of Composers, Authors and Publishers (ASCAP) as part of the gala at Caesars Palcae commemorating the entertainer's 40th anniversary in show business.
Rows of slot machines and gamblers at Rio Casino in Las Vegas, NV (Photo by Visions of America/UIG via Getty Images)
Celine Dion premieres the much-anticipated return of her headline residency show at The Colosseum at Caesars Palace on August 27, 2015 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
Britney Spears attends the announcement of her new residency, 'Britney: Domination' at Park MGM on October 18, 2018 in Las Vegas, Nevada. Spears will perform 32 shows at Park Theater at Park MGM starting in February 2019. (Photo by Gabe Ginsberg/FilmMagic)