Guillaume Marietta, known as Marietta, is a French singer and songwriter from Metz. Marietta was a member of the groups The Feeling of Love and A.H. Kraken before beginning a solo career. Marietta debuted with the album Basement Dreams Are the Bedroom Cream (2015). Her discography includes the album La Passagère (2017) which was recorded in Los Angeles. Marietta released the live recording Cream Team EP (2019) and the studio album Prazepam St (2020). Marietta co-directed the documentary film La Grande Triple Alliance Internationale de l'Est (2022). Subsequent recordings include the album Handkuss Jesus (2024) which was released under the stage name Warietta.