The Shields were an American doo-wop group active during the 1950s. Known for their distinctive harmonies and rhythmic style, they are most recognized for their 1958 rendition of "You Cheated," which became a top 20 hit in the United States. Notably, the group included lead singer Frankie Ervin and musician Johnny "Guitar" Watson. The Shields' contributions to the doo-wop genre helped pave the way for future generations of rhythm and blues artists.