Senna Guemmour (born 28 December 1979) is a German singer, songwriter, rapper and television presenter. She was a member of the pop group Monrose.
Guemmour was born in Frankfurt to a Moroccan mother and an Algerian father. She grew up in the housing estate of Frankfurt-Nordweststadt. Guemmour's father died in 1992. Shaped by her life in the urban area, Guemmour became interested in hip hop culture and music; she also worked as a waitress.
In 2003, Guemmour auditioned for the television show Popstars – Das Duell, but was eliminated during the callback. In 2006, she auditioned again, this time for Popstars – Neue Engel braucht das Land where she made it throughout the entire competition and became a member of the girl group Monrose. The group turned out to be very popular, attaining two number-one singles on the German Singles Charts ("Shame" and "Hot Summer") and landing a total of seven top-10 hits, of which six of them were attained before 2008.