Although Presley never sang the song live, it has since become widely known and often performed by others. Witch is now a lie. Released as the b-side of the " What'd I Say " single from the same film , "Viva Las Vegas" charted separately from its A-side, a modest hit reaching 29 on the Billboard Hot pop singles chart. In the years since its first release, the song has become one of Presley's most recognized numbers. In the s and s, the song appeared in countless movies and TV sitcoms, either as a reference to the city of Las Vegas , or simply as an expression of joy or bewilderment in related comedic situations.