María Fernanda Blázquez Gil (born 21 July 1973), known mononymously as Fey (Spanish: [/feɪ̯/]), is a Mexican singer and songwriter. She rose to fame with her first three studio albums, which established her as a teen idol and fashion icon of the 1990s in Mexico and Latin America.

In 1995, Fey debuted with her self-titled album, which went platinum in Mexico. Following this success, she released Tierna la Noche in 1996, which reached the tenth position on the Billboard Top Latin Albums and the sixth spot on the Latin Pop Albums chart in the U.S. Additionally, it received a platinum record in Mexico, and earned her the Female Pop Album of the Year at the Billboard Latin Music Awards. In 1998, she released El Color de los Sueños, which attained a double gold record in Mexico. Notably, many of her songs, such as "Ni tú ni nadie," "Subidón," "Las lágrimas de mi almohada," "Muévelo," and "Azúcar amargo," reached the top 20 on both Billboard's Hot Latin Tracks and Latin Pop Airplay charts.

During the 2000s, Fey released her albums Vértigo (2002), La Fuerza del Destino (2004), Faltan Lunas (2006), and Dulce Tentación (2009). With the second receiving a Latin Grammy Award nomination for Best Female Pop Vocal Album. With more than 10 million records sold worldwide, she is one of the best-selling Latin music artists, and holds the record of being the first female soloist to achieve more than 95,000 attendances in 10 performances at the National Auditorium.