The song is actually a merging of two songs previously recorded by Wilson: "Hey Mister" (from 1968). which forms a major part of the song; and "Mama McCluskie”, used in part in the chorus.
The B-side, Rich's own "I Feel Like Going Home”, was later covered by Rita Coolidge and was released on her 1974 album Fall into Spring.
British pop singer Engelbert Humperdinck covered "The Most Beautiful Girl" on his 1973 album Engelbert: King of Hearts.
"The Most Beautiful Girl" was also recorded by Slim Whitman in the 1970s. Andy Williams released a version in 1974 on his album The Way We Were. In 1975 ABBA singer Anni-Frid Lyngstad recorded a Swedish-language version called "Vill du låna en man?" (with Swedish lyrics by Stig Anderson) on her solo album Frida ensam. Sergio Franchi recorded the song on his 1976 DynaHouse album 20 Magnificent Songs. Country music boy band South 65 recorded an updated version of the song, titled "The Most Beautiful Girl (2001 Version)”. on their 2001 album Dream Large.
^Kosser, Michael (2006). How Nashville Became Music City, U.S.A.: A History Of Music Row. Lanham, Maryland, US: Backbeat Books. pp. 155–160. ISBN978-1-49306-512-7.