Crystal Gayle (b. 1951) is a country-pop singer, who has released over twenty studio albums beginning in the 1970s. She is probably best known for the song "Don't it Make My Brown Eyes Blue".
Gayle was the guest star on episode 402 of The Muppet Show.
In 1983, she appeared in the 14th season of Sesame Street where she sang "Songs" with Big Bird. They also recorded the song for the Sesame Country album and performed it together on Country Top 20.
Her older sister Loretta Lynn was also a Muppet Show and Sesame Street guest.